📦 man-pages-posix

F (continued)

• fchownat(3p)change owner and group of a file relative to directory file descriptor✨
• fclose(3p)close a stream✨
• fcntl(3p)file control✨
• fcntl.h(0p)file control options✨
• FD_CLR(3p)macros for synchronous I/O multiplexing✨
• fdatasync(3p)synchronize the data of a file (REALTIME)✨
• fdetach(3p)detach a name from a STREAMS-based file descriptor (STREAMS)✨
• fdim(3p)compute positive difference between two floating- point numbers✨
• fdopen(3p)associate a stream with a file descriptor✨
• fdopendir(3p)open directory associated with file descriptor✨
• feclearexcept(3p)clear floating-point exception✨
• fegetenv(3p)get and set current floating-point environment✨
• fegetexceptflag(3p)get and set floating-point status flags✨
• fegetround(3p)get and set current rounding direction✨
• feholdexcept(3p)save current floating-point environment✨
• fenv.h(0p)floating-point environment✨
• feof(3p)test end-of-file indicator on a stream✨
• feraiseexcept(3p)raise floating-point exception✨
• ferror(3p)test error indicator on a stream✨
• fesetenv(3p)set current floating-point environment✨
• fesetexceptflag(3p)set floating-point status flags✨
• fesetround(3p)set current rounding direction✨
• fetestexcept(3p)test floating-point exception flags✨
• feupdateenv(3p)update floating-point environment✨
• fexecve(3p)execute a file✨
• fflush(3p)flush a stream✨
• ffs(3p)find first set bit✨
• fg(1p)run jobs in the foreground✨
• fgetc(3p)get a byte from a stream✨
• fgetpos(3p)get current file position information✨
• fgets(3p)get a string from a stream✨
• fgetwc(3p)get a wide-character code from a stream✨
• fgetws(3p)get a wide-character string from a stream✨
• file(1p)determine file type✨
• fileno(3p)map a stream pointer to a file descriptor✨
• find(1p)find files✨
• float.h(0p)floating types✨
• flockfile(3p)stdio locking functions✨
• floor(3p)floor function✨
• fma(3p)floating-point multiply-add✨
• fmax(3p)determine maximum numeric value of two floating- point numbers✨
• fmemopen(3p)open a memory buffer stream✨
• fmin(3p)determine minimum numeric value of two floating- point numbers✨
• fmod(3p)floating-point remainder value function✨
• fmtmsg(3p)display a message in the specified format on standard error and/or a system console✨
• fmtmsg.h(0p)message display structures✨
• fnmatch(3p)match a filename string or a pathname✨
• fnmatch.h(0p)filename-matching types✨
• fold(1p)filter for folding lines✨
• fopen(3p)open a stream✨
• fork(3p)create a new process✨
• fort77(1p)FORTRAN compiler (FORTRAN)✨
• fpathconf(3p)get configurable pathname variables✨
• fpclassify(3p)classify real floating type✨
• fprintf(3p)print formatted output✨
• fputc(3p)put a byte on a stream✨
• fputs(3p)put a string on a stream✨
• fputwc(3p)put a wide-character code on a stream✨
• fputws(3p)put a wide-character string on a stream✨
• fread(3p)binary input✨
• free(3p)free allocated memory✨
• freeaddrinfo(3p)get address information✨
• freelocale(3p)free resources allocated for a locale object✨
• freopen(3p)open a stream✨
• frexp(3p)extract mantissa and exponent from a double precision number✨
• fscanf(3p)convert formatted input✨
• fseek(3p)reposition a file-position indicator in a stream✨
• fsetpos(3p)set current file position✨
• fstat(3p)get file status✨
• fstatat(3p)get file status✨
• fstatvfs(3p)get file system information✨
• fsync(3p)synchronize changes to a file✨
• ftell(3p)return a file offset in a stream✨
• ftok(3p)generate an IPC key✨
• ftruncate(3p)truncate a file to a specified length✨
• ftrylockfile(3p)stdio locking functions✨
• ftw(3p)traverse (walk) a file tree✨
• ftw.h(0p)file tree traversal✨
• funlockfile(3p)stdio locking functions✨
• fuser(1p)list process IDs of all processes that have one or more files open✨
• futimens(3p)set file access and modification times✨
• fwide(3p)set stream orientation✨
• fwprintf(3p)print formatted wide-character output✨
• fwrite(3p)binary output✨
• fwscanf(3p)convert formatted wide-character input✨

G

• gai_strerror(3p)address and name information error description✨
• gencat(1p)generate a formatted message catalog✨
• get(1p)get a version of an SCCS file (DEVELOPMENT)✨
• getaddrinfo(3p)get address information✨
• getc(3p)get a byte from a stream✨
• getc_unlocked(3p)stdio with explicit client locking✨
• getchar(3p)get a byte from a stdin stream✨
• getchar_unlocked(3p)stdio with explicit client locking✨
• getconf(1p)get configuration values✨
• getcwd(3p)get the pathname of the current working directory✨
• getdate(3p)convert user format date and time✨
• getdelim(3p)read a delimited record from stream✨
• getegid(3p)get the effective group ID✨
• getenv(3p)get value of an environment variable✨
• geteuid(3p)get the effective user ID✨
• getgid(3p)get the real group ID✨
• getgrent(3p)get the group database entry✨
• getgrgid(3p)get group database entry for a group ID✨
• getgrnam(3p)search group database for a name✨
• getgroups(3p)get supplementary group IDs✨
• gethostent(3p)network host database functions✨
• gethostid(3p)get an identifier for the current host✨
• gethostname(3p)get name of current host✨
• getitimer(3p)get and set value of interval timer✨
• getline(3p)read a delimited record from stream✨
• getlogin(3p)get login name✨
• getmsg(3p)receive next message from a STREAMS file (STREAMS)✨
• getnameinfo(3p)get name information✨
• getnetbyaddr(3p)network database functions✨
• getopt(3p)command option parsing✨
• getopts(1p)parse utility options✨
• getpeername(3p)get the name of the peer socket✨
• getpgid(3p)get the process group ID for a process✨
• getpgrp(3p)get the process group ID of the calling process✨
• getpid(3p)get the process ID✨
• getpmsg(3p)receive next message from a STREAMS file✨
• getppid(3p)get the parent process ID✨
• getpriority(3p)get and set the nice value✨
• getprotobyname(3p)network protocol database functions✨
• getpwent(3p)get user database entry✨
• getpwnam(3p)search user database for a name✨
• getpwuid(3p)search user database for a user ID✨
• getrlimit(3p)control maximum resource consumption✨
• getrusage(3p)get information about resource utilization✨
• gets(3p)get a string from a stdin stream✨
• getservbyname(3p)network services database functions✨
• getsid(3p)get the process group ID of a session leader✨
• getsockname(3p)get the socket name✨
• getsockopt(3p)get the socket options✨
• getsubopt(3p)parse suboption arguments from a string✨
• gettimeofday(3p)get the date and time✨
• getuid(3p)get a real user ID✨
• getutxent(3p)get user accounting database entries✨
• getwc(3p)get a wide character from a stream✨
• getwchar(3p)get a wide character from a stdin stream✨
• glob(3p)generate pathnames matching a pattern✨
• glob.h(0p)pathname pattern-matching types✨
• gmtime(3p)convert a time value to a broken-down UTC time✨
• grantpt(3p)grant access to the slave pseudo-terminal device✨
• grep(1p)search a file for a pattern✨
• grp.h(0p)group structure✨

H

• hash(1p)remember or report utility locations✨
• hcreate(3p)manage hash search table✨
• head(1p)copy the first part of files✨
• htonl(3p)convert values between host and network byte order✨
• hypot(3p)Euclidean distance function✨

I

• iconv(1p)codeset conversion✨
• iconv(3p)codeset conversion function✨
• iconv.h(0p)codeset conversion facility✨
• iconv_close(3p)codeset conversion deallocation function✨
• iconv_open(3p)codeset conversion allocation function✨
• id(1p)return user identity✨
• if_freenameindex(3p)free memory allocated by if_nameindex✨
• if_indextoname(3p)map a network interface index to its corresponding name✨
• if_nameindex(3p)return all network interface names and indexes✨
• if_nametoindex(3p)map a network interface name to its corresponding index✨
• ilogb(3p)return an unbiased exponent✨
• imaxabs(3p)return absolute value✨
• imaxdiv(3p)return quotient and remainder✨
• inet_addr(3p)IPv4 address manipulation✨
• inet_ntop(3p)convert IPv4 and IPv6 addresses between binary and text form✨
• initstate(3p)pseudo-random number functions✨
• insque(3p)insert or remove an element in a queue✨
• inttypes.h(0p)fixed size integer types✨
• ioctl(3p)control a STREAMS device (STREAMS)✨
• ipcrm(1p)remove an XSI message queue, semaphore set, or shared memory segment identifier✨
• ipcs(1p)report XSI interprocess communication facilities status✨
• isalnum(3p)test for an alphanumeric character✨
• isalpha(3p)test for an alphabetic character✨
• isascii(3p)test for a 7-bit US-ASCII character✨
• isastream(3p)test a file descriptor (STREAMS)✨
• isatty(3p)test for a terminal device✨
• isblank(3p)test for a blank character✨
• iscntrl(3p)test for a control character✨
• isdigit(3p)test for a decimal digit✨
• isfinite(3p)test for finite value✨
• isgraph(3p)test for a visible character✨
• isgreater(3p)test if x greater than y✨
• isgreaterequal(3p)test if x is greater than or equal to y✨
• isinf(3p)test for infinity✨
• isless(3p)test if x is less than y✨
• islessequal(3p)test if x is less than or equal to y✨
• islessgreater(3p)test if x is less than or greater than y✨
• islower(3p)test for a lowercase letter✨
• isnan(3p)test for a NaN✨
• isnormal(3p)test for a normal value✨
• iso646.h(0p)alternative spellings✨
• isprint(3p)test for a printable character✨
• ispunct(3p)test for a punctuation character✨
• isspace(3p)test for a white-space character✨
• isunordered(3p)test if arguments are unordered✨
• isupper(3p)test for an uppercase letter✨
• iswalnum(3p)test for an alphanumeric wide-character code✨
• iswalpha(3p)test for an alphabetic wide-character code✨
• iswblank(3p)test for a blank wide-character code✨