Saturday, October 17, 2020

Manpages to Learn for October (page 3)

estraier(3pm): - Perl Binding of Hyper Estraier (Ubuntu)
estraier(3pm): Class Document $doc = new Document(draft) Create a document object. `draft' specifies a string of draft data. If it is omitted, an empty document object is created. $doc->add_attr(name, value) Add an attribute.

esvideompeg2info(1): - tool from openCaster suite (Ubuntu)
esvideompeg2info(1): Example: esvideompeg2info video.es esvideompeg2info - tool from openCaster suite

etherpuppet(1): etherpuppet --- create a virtual interface from a remote Ethernet
etherpuppet(1): etherpuppet is a small program that will create a virtual interface (TUN/TAP) on one machine from the ethernet interface of another machine through a TCP connection. Everything seen by the real interface will be seen by the virtual one.

euare-accountdel(1): - [Eucalyptus cloud admin only] Delete an account
euare-accountdel(1): [Eucalyptus cloud admin only] Delete an account positional arguments: ACCOUNT name or ID of the account to delete (required) optional arguments: -r, --recursive delete all users, groups, and policies associated with the account as well -U

euare-groupcreate(1): - Create a new group (Ubuntu)
euare-groupcreate(1): Create a new group positional arguments: GROUP name of the new group (required) optional arguments: -p PATH, --path PATH path for the new group (default: "/") -v, --verbose print the new group's ARN and GUID --as-account ACCOUNT [Eucalyptus

euare-useraddcert(1): - Upload a signing certificate
euare-useraddcert(1): Upload a signing certificate positional arguments: USER user the signing certificate is for (default: current user) optional arguments: -c CERT_CONTENT, --certificate-body CERT_CONTENT PEM-encoded contents of the new certificate -f FILE,

euare-usergetattributes(1): - Display a user's ARN and GUID
euare-usergetattributes(1): Display a user's ARN and GUID positional arguments: USER name of the user to describe (default: current user) optional arguments: --show-extra also display additional user info --as-account ACCOUNT [Eucalyptus cloud admin only] run this

euare-usergetpolicy(1): - Display a user's policy (Ubuntu)
euare-usergetpolicy(1): Display a user's policy positional arguments: USER user the poilcy is attached to (required) optional arguments: -p POLICY, --policy-name POLICY name of the policy to show (required) --pretty-print reformat the policy for easier reading

euare-userlistcerts(1): - List a user's signing certificates
euare-userlistcerts(1): List a user's signing certificates positional arguments: USER user to list certificates for (default: current user) optional arguments: -v, --verbose also show certificates' contents --as-account ACCOUNT [Eucalyptus cloud admin only] run

euare-usermodcert(1): - Change the status of a signing certificate from Active to
euare-usermodcert(1): Change the status of a signing certificate from Active to Inactive, or vice versa positional arguments: CERT ID of the signing certificate to update (required) optional arguments: -u USER, --user-name USER user owning the signing

euare-usermodkey(1): - Change the status of an access key from Active to Inactive,
euare-usermodkey(1): Change the status of an access key from Active to Inactive, or vice versa positional arguments: KEY_ID ID of the access key to update (required) optional arguments: -s {Active,Inactive}, --status {Active,Inactive} status to assign to the

euare-usermodloginprofile(1): - Update a user's password
euare-usermodloginprofile(1): Update a user's password positional arguments: USER name of the user to change a password for (required) optional arguments: -p PASSWORD, --password PASSWORD the new password. If unspecified, the new password will be read from the console.

euca-accept-vpc-peering-connection(1): - Accept a request for a VPC peering
euca-accept-vpc-peering-connection(1): Accept a request for a VPC peering connection positional arguments: PEERCON the VPC peering connection to accept (required) optional arguments: --show-empty-fields show empty values as "(nil)" -U URL, --url URL compute service endpoint URL

euca-attach-volume(1): - Attach an EBS volume to an instance
euca-attach-volume(1): Attach an EBS volume to an instance positional arguments: VOLUME ID of the volume to attach (required) optional arguments: -i INSTANCE, --instance INSTANCE instance to attach the volume to (required) -d DEVICE, --device DEVICE device name

euca-authorize(1): - Add a rule to a security group that allows traffic to pass
euca-authorize(1): Add a rule to a security group that allows traffic to pass positional arguments: GROUP name or ID of the security group to modify (required) optional arguments: --egress [VPC only] manage an egress rule, which controls traffic leaving the

euca-create-network-acl(1): - Create a new VPC network ACL
euca-create-network-acl(1): Create a new VPC network ACL positional arguments: VPC ID of the VPC in which to create the new network ACL (required) optional arguments: --show-empty-fields show empty values as "(nil)" -U URL, --url URL compute service endpoint URL

euca-create-subnet(1): - Create a new VPC subnet (Ubuntu)
euca-create-subnet(1): Create a new VPC subnet optional arguments: -c VPCID, --vpc VPCID ID of the VPC to create the new subnet in (required) -i CIDR, --cidr CIDR CIDR address block for the new subnet (required) -z AVAILABILITYZONE, --availability-zone

euca-create-tags(1): - Add or overwrite tags for one or more resources
euca-create-tags(1): Add or overwrite tags for one or more resources positional arguments: RESOURCE ID(s) of the resource(s) to tag (at least 1 required) optional arguments: --tag KEY[=VALUE] key and optional value of the tag to create, separated by an "="

euca-delete-subnet(1): - Delete a VPC subnet (Ubuntu)
euca-delete-subnet(1): Delete a VPC subnet positional arguments: SUBNET ID of the subnet to delete (required) optional arguments: --show-empty-fields show empty values as "(nil)" -U URL, --url URL compute service endpoint URL --region USER@REGION region and/or

euca-describe-keypairs(1): - Display information about available key pairs
euca-describe-keypairs(1): Display information about available key pairs positional arguments: KEYPAIR limit results to specific key pairs optional arguments: --show-empty-fields show empty values as "(nil)" -U URL, --url URL compute service endpoint URL --region

euca-describe-regions(1): - Display information about regions
euca-describe-regions(1): Display information about regions positional arguments: REGION limit results to specific regions optional arguments: --show-empty-fields show empty values as "(nil)" -U URL, --url URL compute service endpoint URL --region USER@REGION region

euca-describe-route-tables(1): - Describe one or more VPC route tables
euca-describe-route-tables(1): Describe one or more VPC route tables positional arguments: RTABLE limit results to specific route tables optional arguments: --show-empty-fields show empty values as "(nil)" -U URL, --url URL compute service endpoint URL --region

euca-get-console-output(1): - Retrieve console output for the specified instance
euca-get-console-output(1): Retrieve console output for the specified instance positional arguments: INSTANCE ID of the instance to obtain console output from (required) optional arguments: -r, --raw-console-output display raw output without escaping control

euca-modify-vpc-attribute(1): - Modify an attribute of a VPC
euca-modify-vpc-attribute(1): Modify an attribute of a VPC optional arguments: -c VPC, --vpc VPC ID of the VPC to modify (required) -d (true|false), --dns-hostnames (true|false) enable or disable assignment of DNS names to instances -s (true|false), --dns-support

euca-replace-network-acl-association(1): - Associate a new VPC network ACL with a
euca-replace-network-acl-association(1): Associate a new VPC network ACL with a subnet positional arguments: ACLASSOC ID of the network ACL association to replace (required) optional arguments: -a ACL, --network-acl ACL ID of the network ACL to associate with the subnet (required)

euca-replace-network-acl-entry(1): - Replace an entry in a VPC network ACL
euca-replace-network-acl-entry(1): Replace an entry in a VPC network ACL positional arguments: NACL ID of the network ACL to add the entry to (required) optional arguments: -n INT, --rule-number INT rule number for the new entry (required) --allow make the new entry allow

euca-revoke(1): - Remove a rule from a security group
euca-revoke(1): Remove a rule from a security group positional arguments: GROUP name or ID of the security group to modify (required) optional arguments: --egress [VPC only] manage an egress rule, which controls traffic leaving the group -P PROTOCOL,

euca-unassign-private-ip-addresses(1): - Remove one or more private IP addresses
euca-unassign-private-ip-addresses(1): Remove one or more private IP addresses from a network interface optional arguments: -n INTERFACE, --network-interface INTERFACE ID of the network interface to remove addresses from (required) --secondary-address ADDRESS,

eulb-create-lb-cookie-stickiness-policy(1): - Create a new stickiness policy for a
eulb-create-lb-cookie-stickiness-policy(1): Create a new stickiness policy for a load balancer, whereby the load balancer automatically generates cookies that it uses to route requests from each user to the same back end instance.

eulb-modify-lb-attributes(1): - Modify a load balancer's attributes
eulb-modify-lb-attributes(1): Modify a load balancer's attributes positional arguments: ELB the load balancer to describe (required) ATTR=VALUE name and new value of each attribute to modify (required) optional arguments: -U URL, --url URL load balancing service

euscale-delete-policy(1): - Delete a scaling policy
euscale-delete-policy(1): Delete a scaling policy positional arguments: POLICY name of the policy to delete (required) optional arguments: -g ASGROUP, --auto-scaling-group ASGROUP name of the auto-scaling group the policy is associated with (required) -U URL, --url

euscale-describe-launch-configs(1): - Describe auto-scaling instance launch
euscale-describe-launch-configs(1): Describe auto-scaling instance launch configurations positional arguments: LAUNCHCONFIG limit results to specific launch configurations optional arguments: --show-long show all of the launch configurations' info --show-empty-fields show

euscale-describe-metric-collection-types(1): - Describe auto-scaling metrics and
euscale-describe-metric-collection-types(1): Describe auto-scaling metrics and granularities optional arguments: --show-empty-fields show empty values as "(nil)" -U URL, --url URL auto-scaling service endpoint URL --region USER@REGION region and/or user names to search when looking up

euscale-execute-policy(1): - Manually set an auto-scaling instance's health status
euscale-execute-policy(1): Manually set an auto-scaling instance's health status positional arguments: POLICY name or ARN of the policy to run (required) optional arguments: -g ASGROUP, --auto-scaling-group ASGROUP name or ARN of the auto-scaling group -h,

euscale-suspend-processes(1): - Suspend an auto-scaling group's auto- scaling
euscale-suspend-processes(1): Suspend an auto-scaling group's auto-scaling processes positional arguments: ASGROUP name of the auto-scaling group to update (required) optional arguments: --processes PROCESS1,PROCESS2,...

euwatch-list-metrics(1): - Show a list of monitoring metrics
euwatch-list-metrics(1): Show a list of monitoring metrics optional arguments: -d KEY1=VALUE1,KEY2=VALUE2,..., --dimensions KEY1=VALUE1,KEY2=VALUE2,... limit results to metrics with specific dimensions -m METRIC, --metric-name METRIC limit results to a specific

evolver-nox-q(1): - The Surface Evolver program with no X support and quadruple
evolver-nox-q(1): The Surface Evolver is an interactive program for the modelling of liquid surfaces shaped by various forces and constraints. Basically the Surface Evolver minimizes the energy of triangulated surfaces according to designated energies and

exec(1posix): exec --- execute commands and open, close, or copy file descriptors
exec(1posix): None. Section 2.14, Special Built-In Utilities COPYRIGHT Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology -- Portable Operating System Interface

exec(3posix): environ, execl, execle, execlp, execv, execve, execvp, fexecve ---
exec(3posix): The exec family of functions shall replace the current process image with a new process image. The new image shall be constructed from a regular, executable file called the new process image file.

exit(3posix): exit --- terminate a process (Ubuntu)
exit(3posix): The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of POSIX.12008 defers to the ISO C standard.

extractjpgs(1p): - Save copies of all PDF JPG images to a directory
extractjpgs(1p): Requires the ImageMagick convert program to be available Searches the PDF for JPG images and saves them as individual files in the specified directory. The files are named "<imnum>.jpg".

extractunmappedsubreads(1): - Extract unmapped subreads from a fasta file
extractunmappedsubreads(1): usage: extractUnmappedSubreads.py [-h] [--verbose] [--version] [--profile] [--debug] fasta cmp.h5 [cmp.h5 ...] Extract unmapped subreads from a fasta file. positional arguments: fasta a fasta file containing all subreads. cmp.h5 input cmp.

ezisos(3ncarg): - Draws an isosurface. (Ubuntu Linux)
ezisos(3ncarg): The C-binding argument descriptions are the same as the Fortran argument descriptions, with the following exceptions: f t is dimensioned mw by mv by mu mu The third dimension of the array f mw The first dimension of the array f USAGE EZISOS

faccessat(3posix): faccessat --- determine accessibility of a file relative to
faccessat(3posix): Refer to access(). COPYRIGHT Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base

facedetect(1): - simple face detector for batch processing
facedetect(1): Facedetect is a simple face detector for batch processing. It answers the basic question: "Is there a face in this image?" and gives back either an exit code or the coordinates of each detected face in the standard output.

fai-monitor(8): - fai monitor daemon (Ubuntu Linux)
fai-monitor(8): fai-monitor receives messages from all install clients on port 4711 and prints them to stdout. This program is part of FAI (Fully Automatic Installation). See the FAI manual for more information on how to use fai-monitor.

fastaq-deinterleave(1): - Splits interleaved paired file into two separate files
fastaq-deinterleave(1): usage: fastaq_deinterleave [options] <infile> <out_fwd> <out_rev> Deinterleaves sequence file, so that reads are written alternately between two output files positional arguments: infile Name of fasta/q file to be

fastaq-filter(1): - Filter sequences to get a subset of them
fastaq-filter(1): usage: fastaq_filter [options] <infile> <outfile> Filters a sequence file by sequence length and/or by name matching a regular expression positional arguments: infile Name of input file to be filtered outfile Name of output file

fastq-clipper(1): - ea-utils: removes one or more adapter sequences from the fastq
fastq-clipper(1): usage: fastq-clipper [options] <fastq-file> <adapters> Removes one or more adapter sequences from the fastq file. Adapter sequences are colon-delimited. Stats go to stderr, unless -o is specified.

fastq-multx(1): - ea-utils: replace % with the barcode id in the barcodes file
fastq-multx(1): fastq-multx: invalid option -- 'h' Unknown option `-h'. Version: 1.02.684 Output files must contain a '%' sign which is replaced with the barcode id in the barcodes file.

fatal(3perl): - Replace functions with equivalents which succeed or die
fatal(3perl): "Fatal" provides a way to conveniently replace functions which normally return a false value when they fail with equivalents which raise exceptions if they are not successful.

fcblanksdestroy(3): - Destroy and FcBlanks (Ubuntu)
fcblanksdestroy(3): Destroys an FcBlanks object, freeing any associated memory. #include <fontconfig/fontconfig.h> void FcBlanksDestroy (FcBlanks *b); FcBlanksDestroy - Destroy and FcBlanks

fccharsetdelchar(3): - Add a character to a charset
fccharsetdelchar(3): FcCharSetDelChar deletes a single Unicode char from the set, returning FcFalse on failure, either as a result of a constant set or from running out of memory. SINCE version 2.9.

fccharsetdestroy(3): - Destroy a character set (Ubuntu)
fccharsetdestroy(3): FcCharSetDestroy decrements the reference count fcs. If the reference count becomes zero, all memory referenced is freed. #include <fontconfig/fontconfig.

fccharsetmerge(3): - Merge charsets - (Ubuntu Linux)
fccharsetmerge(3): Adds all chars in b to a. In other words, this is an in-place version of FcCharSetUnion. If changed is not NULL, then it returns whether any new chars from b were added to a.

fccharsetsubtract(3): - Subtract charsets - (Ubuntu)
fccharsetsubtract(3): Returns a set including only those chars found in a but not b. #include <fontconfig/fontconfig.h> FcCharSet * FcCharSetSubtract (const FcCharSet *a, const FcCharSet *b);

fcconfigfilename(3): - Find a config file - (Ubuntu)
fcconfigfilename(3): Given the specified external entity name, return the associated filename. This provides applications a way to convert various configuration file references into filename form.

fcconfigparseandload(3): - load a configuration file
fcconfigparseandload(3): Walks the configuration in 'file' and constructs the internal representation in 'config'. Any include files referenced from within 'file' will be loaded and parsed.

fcdircacheunload(3): - unload a cache file (Ubuntu)
fcdircacheunload(3): This function dereferences cache. When no other references to it remain, all memory associated with the cache will be freed. #include <fontconfig/fontconfig.

fcdircachevalid(3): - check directory cache (Ubuntu)
fcdircachevalid(3): Returns FcTrue if dir has an associated valid cache file, else returns FcFalse #include <fontconfig/fontconfig.h> FcBool FcDirCacheValid (const FcChar8 *dir);

fcfileisdir(3): - check whether a file is a directory
fcfileisdir(3): Returns FcTrue if file is a directory, otherwise returns FcFalse. #include <fontconfig/fontconfig.h> FcBool FcFileIsDir (const FcChar8 *file); FcFileIsDir - check whether a file is a directory

fcfontmatch(3): - Return best font - (Ubuntu Linux)
fcfontmatch(3): Finds the font in sets most closely matching pattern and returns the result of FcFontRenderPrepare for that font and the provided pattern. This function should be called only after FcConfigSubstitute and FcDefaultSubstitute have been called

fcfontsetmatch(3): - Return the best font from a set of font sets
fcfontsetmatch(3): Finds the font in sets most closely matching pattern and returns the result of FcFontRenderPrepare for that font and the provided pattern. This function should be called only after FcConfigSubstitute and FcDefaultSubstitute have been called

fcfontsetsortdestroy(3): - DEPRECATED destroy a font set
fcfontsetsortdestroy(3): This function is DEPRECATED. FcFontSetSortDestroy destroys set by calling FcFontSetDestroy. Applications should use FcFontSetDestroy directly instead. #include <fontconfig/fontconfig.

fcfreetypecharset(3): - compute Unicode coverage (Ubuntu)
fcfreetypecharset(3): Scans a FreeType face and returns the set of encoded Unicode chars. This scans several encoding tables to build as complete a list as possible. If 'blanks' is not 0, the glyphs in the font are examined and any blank glyphs not in 'blanks'

fcgetdefaultlangs(3): - Get the default languages list
fcgetdefaultlangs(3): Returns a string set of the default languages according to the environment variables on the system. This function looks for them in order of FC_LANG, LC_ALL, LC_CTYPE and LANG then.

fchownat(3posix): fchownat --- change owner and group of a file relative to
fchownat(3posix): Refer to chown(). COPYRIGHT Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base

fclangsetcontains(3): - check langset subset relation
fclangsetcontains(3): FcLangSetContains returns FcTrue if ls_a contains every language in ls_b. ls_a will 'contain' a language from ls_b if ls_a has exactly the language, or either the language or ls_a has no territory.

fclangsetsubtract(3): - Subtract langsets - (Ubuntu)
fclangsetsubtract(3): Returns a set including only those languages found in ls_a but not in ls_b. SINCE version 2.9.0 #include <fontconfig/fontconfig.h> FcLangSet * FcLangSetSubtract (const FcLangSet *ls_a, const FcLangSet *ls_b);

fcmatrixcopy(3): - Copy a matrix (Ubuntu Linux Manual)
fcmatrixcopy(3): FcMatrixCopy allocates a new FcMatrix and copies mat into it. #include <fontconfig/fontconfig.h> void FcMatrixCopy (const FcMatrix *matrix); FcMatrixCopy - Copy a matrix

fcmatrixequal(3): - Compare two matrices - (Ubuntu)
fcmatrixequal(3): FcMatrixEqual compares matrix1 and matrix2 returning FcTrue when they are equal and FcFalse when they are not. #include <fontconfig/fontconfig.h> void FcMatrixEqual (const FcMatrix *matrix1, const FcMatrix *matrix2);

fcnameregisterobjecttypes(3): - Register object types
fcnameregisterobjecttypes(3): Deprecated. Does nothing. Returns FcFalse. #include <fontconfig/fontconfig.h> FcBool FcNameRegisterObjectTypes (const FcObjectType *types, int ntype);

fcobjectsetbuild(3): - Build object set from args (Ubuntu)
fcobjectsetbuild(3): These build an object set from a null-terminated list of property names. FcObjectSetVapBuild is a macro version of FcObjectSetVaBuild which returns the result in the result variable directly.

fcpatternadd-type(3): - Add a typed value to a pattern
fcpatternadd-type(3): These are all convenience functions that insert objects of the specified type into the pattern. Use these in preference to FcPatternAdd as they will provide compile-time typechecking. These all append values to any existing list of values.

fcpatternbuild(3): - Create patterns from arguments
fcpatternbuild(3): Builds a pattern using a list of objects, types and values. Each value to be entered in the pattern is specified with three arguments: 1. Object name, a string describing the property to be added. 2.

fcpatternget(3): - Return a value from a pattern (Ubuntu)
fcpatternget(3): Returns in v the id'th value associated with the property object. The value returned is not a copy, but rather refers to the data stored within the pattern directly. Applications must not free this value.

fcstrcmpignorecase(3): - compare UTF-8 strings ignoring case
fcstrcmpignorecase(3): Returns the usual <0, 0, >0 result of comparing s1 and s2. This test is case-insensitive for all proper UTF-8 encoded strings. #include <fontconfig/fontconfig.

fcstrcopyfilename(3): - create a complete path from a filename
fcstrcopyfilename(3): FcStrCopyFilename constructs an absolute pathname from s. It converts any leading '~' characters in to the value of the HOME environment variable, and any relative paths are converted to absolute paths using the current working directory.

fcstrlistdone(3): - destroy a string iterator (Ubuntu)
fcstrlistdone(3): Destroys the enumerator list. #include <fontconfig/fontconfig.h> void FcStrListDone (FcStrList *list); FcStrListDone - destroy a string iterator

fcstrsetdestroy(3): - destroy a string set (Ubuntu)
fcstrsetdestroy(3): Destroys set. #include <fontconfig/fontconfig.h> void FcStrSetDestroy (FcStrSet *set); FcStrSetDestroy - destroy a string set

fcutf8toucs4(3): - convert UTF-8 to UCS4 - (Ubuntu)
fcutf8toucs4(3): Converts the next Unicode char from src into dst and returns the number of bytes containing the char. src must be at least len bytes long. #include <fontconfig/fontconfig.

fcvalueprint(3): - Print a value to stdout (Ubuntu)
fcvalueprint(3): Prints a human-readable representation of v to stdout. The format should not be considered part of the library specification as it may change in the future.

fcweighttoopentype(3): - Convert from fontconfig weight values to OpenType ones
fcweighttoopentype(3): FcWeightToOpenType is the inverse of FcWeightFromOpenType. If the input is less than FC_WEIGHT_THIN or greater than FC_WEIGHT_EXTRABLACK, returns -1. Otherwise returns a number in the range 1 to 1000. SINCE version 2.11.

fdiscboot(1e): - Bootstrapped discrete sites algorithm
fdiscboot(1e): fdiscboot is a command line program from EMBOSS ("the European Molecular Biology Open Software Suite"). It is part of the "Phylogeny:Molecular sequence" command group(s).

fdnacomp(1e): - DNA compatibility algorithm (Ubuntu)
fdnacomp(1e): fdnacomp is a command line program from EMBOSS ("the European Molecular Biology Open Software Suite"). It is part of the "Phylogeny:Molecular sequence" command group(s).

fdtbus(4freebsd): fdtbus --- Flattened Device Tree bus driver
fdtbus(4freebsd): The fdtbus abstract bus driver is the primary connection and translation layer between fdt(4) hardware resources description and FreeBSD native newbus device drivers framework.

fdutilsconfig(8): - configure the suid bit of fdmount
fdutilsconfig(8): The fdutilsconfig script provides an interactive way to configure the suid bit of the fdmount(1) binary. It asks you some questions, give you a hint if needed, and enters your choice to /etc/fdmount.conf file.

fegetenv(3posix): fegetenv, fesetenv --- get and set current floating-point
fegetenv(3posix): The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of POSIX.12008 defers to the ISO C standard.

feholdexcept(3posix): feholdexcept --- save current floating-point environment
feholdexcept(3posix): The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of POSIX.12008 defers to the ISO C standard.

feupdateenv(3posix): feupdateenv --- update floating-point environment
feupdateenv(3posix): The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of POSIX.12008 defers to the ISO C standard.

fileno(3posix): fileno --- map a stream pointer to a file descriptor
fileno(3posix): The fileno() function shall return the integer file descriptor associated with the stream pointed to by stream. Section 2.5.1, Interaction of File Descriptors and Standard I/O Streams, dirfd(), fdopen(), fopen(), stdin The Base

fixatan(3alleg4): - Fixed point inverse tangent lookup table.
fixatan(3alleg4): This function finds the inverse tangent of a value using a lookup table. The input value must be a fixed point radian. The inverse tangent is the value whose tangent is `x'. Example: fixed result; /* Sets `result' to binary angle 13.

flockfile(3posix): flockfile, ftrylockfile, funlockfile --- stdio locking functions
flockfile(3posix): These functions shall provide for explicit application-level locking of stdio (FILE *) objects. These functions can be used by a thread to delineate a sequence of I/O statements that are executed as a unit.

fmemopen(3posix): fmemopen --- open a memory buffer stream
fmemopen(3posix): The fmemopen() function shall associate the buffer given by the buf and size arguments with a stream. The buf argument shall be either a null pointer or point to a buffer that is at least size bytes long.

fp-fix-timestamps(1): - helper script for the Free Pascal stack in Debian
fp-fix-timestamps(1): fp-fix-timestamps is meant to be used by Debian source packages in the Free Pascal stack. The primary location for use is the debian/rules file. The aim of this script is to fix the timestamps of patched files (with respect to upstream)

fractalpooluser(1): fractalpooluser --- RSerPool Client (PU) for the Fractal
fractalpooluser(1): fractalpooluser is a Reliable Server Pooling (RSerPool) pool user (PU) for the FractalGenerator service. It uses a Qt-based X11 GUI. ARGUMENTS The following options are available: -identifier=PU_identifier Sets a fixed PU identifier.

freecell-solver-range-parallel-solve(6): - The Freecell Solver utility for solving a
freecell-solver-range-parallel-solve(6): freecell-solver-range-parallel-solve is a command line application that solves a range of Freecell deals of Microsoft Freecell and Freecell Pro. start is the first board to solve; end is the last (inclusive) and print_step is the division

freelocale(3posix): freelocale --- free resources allocated for a locale object
freelocale(3posix): The freelocale() function shall cause the resources allocated for a locale object returned by a call to the newlocale() or duplocale() functions to be released. The behavior is undefined if the locobj argument is the special locale object

freezethaw(3pm): - converting Perl structures to strings and back.
freezethaw(3pm): Converts data to/from stringified form, appropriate for saving-to/reading-from permanent storage. Deals with objects, circular lists, repeated appearance of the same reference. Does not deal with overloaded stringify operator yet.

fsetpos(3posix): fsetpos --- set current file position
fsetpos(3posix): The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of POSIX.12008 defers to the ISO C standard.

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