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F (continued)

fcvt_r(3)convert a floating-point number to a string✨
fd(4)floppy disk device✨
FD_CLR(3)synchronous I/O multiplexing✨
FD_CLR(3p)macros for synchronous I/O multiplexing✨
FD_ISSET(3)synchronous I/O multiplexing✨
FD_SET(3)synchronous I/O multiplexing✨
FD_ZERO(3)synchronous I/O multiplexing✨
fdatasync(2)synchronize a file's in-core state with storage device✨
fdatasync(3p)synchronize the data of a file (REALTIME)✨
fdetach(2)unimplemented system calls✨
fdetach(3p)detach a name from a STREAMS-based file descriptor (STREAMS)✨
fdim(3)positive difference✨
fdim(3p)compute positive difference between two floating- point numbers✨
fdimf(3)positive difference✨
fdiml(3)positive difference✨
fdopen(3)stream open functions✨
fdopen(3p)associate a stream with a file descriptor✨
fdopendir(3)open a directory✨
fdopendir(3p)open directory associated with file descriptor✨
feature_test_macros(7)feature test macros✨
feclearexcept(3)floating- point rounding and exception handling✨
feclearexcept(3p)clear floating-point exception✨
fedisableexcept(3)floating- point rounding and exception handling✨
feenableexcept(3)floating- point rounding and exception handling✨
fegetenv(3)floating- point rounding and exception handling✨
fegetenv(3p)get and set current floating-point environment✨
fegetexcept(3)floating- point rounding and exception handling✨
fegetexceptflag(3)floating- point rounding and exception handling✨
fegetexceptflag(3p)get and set floating-point status flags✨
fegetround(3)floating- point rounding and exception handling✨
fegetround(3p)get and set current rounding direction✨
feholdexcept(3)floating- point rounding and exception handling✨
feholdexcept(3p)save current floating-point environment✨
fenv(3)floating- point rounding and exception handling✨
fenv.h(0p)floating-point environment✨
fenv_t(3type)floating-point environment✨
feof(3)check and reset stream status✨
feof(3p)test end-of-file indicator on a stream✨
feof_unlocked(3)nonlocking stdio functions✨
feraiseexcept(3)floating- point rounding and exception handling✨
feraiseexcept(3p)raise floating-point exception✨
ferror(3)check and reset stream status✨
ferror(3p)test error indicator on a stream✨
ferror_unlocked(3)nonlocking stdio functions✨
fesetenv(3)floating- point rounding and exception handling✨
fesetenv(3p)set current floating-point environment✨
fesetexceptflag(3)floating- point rounding and exception handling✨
fesetexceptflag(3p)set floating-point status flags✨
fesetround(3)floating- point rounding and exception handling✨
fesetround(3p)set current rounding direction✨
fetestexcept(3)floating- point rounding and exception handling✨
fetestexcept(3p)test floating-point exception flags✨
feupdateenv(3)floating- point rounding and exception handling✨
feupdateenv(3p)update floating-point environment✨
fexcept_t(3type)floating-point environment✨
fexecve(3)execute program specified via file descriptor✨
fexecve(3p)execute a file✨
fflush(3)flush a stream✨
fflush(3p)flush a stream✨
fflush_unlocked(3)nonlocking stdio functions✨
ffs(3)find first bit set in a word✨
ffs(3p)find first set bit✨
ffsl(3)find first bit set in a word✨
ffsll(3)find first bit set in a word✨
fg(1p)run jobs in the foreground✨
fgetc(3)FILE get character✨
fgetc(3p)get a byte from a stream✨
fgetc_unlocked(3)nonlocking stdio functions✨
fgetgrent(3)get group file entry✨
fgetgrent_r(3)get group file entry reentrantly✨
fgetpos(3)reposition a stream✨
fgetpos(3p)get current file position information✨
fgetpwent(3)get password file entry✨
fgetpwent_r(3)get passwd file entry reentrantly✨
fgets(3)FILE get line-string✨
fgets(3p)get a string from a stream✨
fgets_unlocked(3)nonlocking stdio functions✨
fgetspent(3)get shadow password file entry✨
fgetspent_r(3)get shadow password file entry✨
fgetwc(3)read a wide character from a FILE stream✨
fgetwc(3p)get a wide-character code from a stream✨
fgetwc_unlocked(3)nonlocking stdio functions✨
fgetws(3)read a wide-character string from a FILE stream✨
fgetws(3p)get a wide-character string from a stream✨
fgetws_unlocked(3)nonlocking stdio functions✨
fgetxattr(2)retrieve an extended attribute value✨
FICLONE(2const)share some the data of one file with another file✨
FICLONERANGE(2const)share some the data of one file with another file✨
FIDEDUPERANGE(2const)share some the data of one file with another file✨
fifo(7)first-in first-out special file, named pipe✨
file(1p)determine file type✨
FILE(3type)input/output stream✨
file_attr(2type)filesystem file attributes✨
fileno(3)obtain file descriptor of a stdio stream✨
fileno(3p)map a stream pointer to a file descriptor✨
fileno_unlocked(3)nonlocking stdio functions✨
filesystems(5)Linux filesystem types: ext, ext2, ext3, ext4, hpfs, iso9660, JFS, minix, msdos, ncpfs nfs, ntfs, proc, Reiserfs, smb, sysv, umsdos, vfat, XFS, xiafs✨
find(1p)find files✨
finit_module(2)load a kernel module✨
finite(3)BSD floating-point classification functions✨
finitef(3)BSD floating-point classification functions✨
finitel(3)BSD floating-point classification functions✨
FIONREAD(2const)buffer count and flushing✨
flistxattr(2)list extended attribute names✨
float.h(0p)floating types✨
float_t(3type)most efficient floating types✨
flock(2)apply or remove an advisory lock on an open file✨
flockfile(3)lock FILE for stdio✨
flockfile(3p)stdio locking functions✨
floor(3)largest integral value not greater than argument✨
floor(3p)floor function✨
floorf(3)largest integral value not greater than argument✨
floorl(3)largest integral value not greater than argument✨
fma(3)floating-point multiply and add✨
fma(3p)floating-point multiply-add✨
fmaf(3)floating-point multiply and add✨
fmal(3)floating-point multiply and add✨
fmax(3)determine maximum of two floating-point numbers✨
fmax(3p)determine maximum numeric value of two floating- point numbers✨
fmaxf(3)determine maximum of two floating-point numbers✨
fmaxl(3)determine maximum of two floating-point numbers✨
fmemopen(3)open memory as stream✨
fmemopen(3p)open a memory buffer stream✨
fmin(3)determine minimum of two floating-point numbers✨
fmin(3p)determine minimum numeric value of two floating- point numbers✨
fminf(3)determine minimum of two floating-point numbers✨
fminl(3)determine minimum of two floating-point numbers✨
fmod(3)floating-point remainder function✨
fmod(3p)floating-point remainder value function✨
fmodf(3)floating-point remainder function✨
fmodl(3)floating-point remainder function✨
fmtmsg(3)print formatted error messages✨
fmtmsg(3p)display a message in the specified format on standard error and/or a system console✨
fmtmsg.h(0p)message display structures✨
fnmatch(3)match filename or pathname✨
fnmatch(3p)match a filename string or a pathname✨
fnmatch.h(0p)filename-matching types✨
fold(1p)filter for folding lines✨
fopen(3)stream open functions✨
fopen(3p)open a stream✨
fopencookie(3)open a custom stream✨
fork(2)create a child process✨
fork(3p)create a new process✨
forkpty(3)terminal utility functions✨
fort77(1p)FORTRAN compiler (FORTRAN)✨
fpathconf(3)get configuration values for files✨
fpathconf(3p)get configurable pathname variables✨
fpclassify(3)floating-point classification macros✨
fpclassify(3p)classify real floating type✨
fprintf(3)formatted output conversion✨
fprintf(3p)print formatted output✨
fpurge(3)purge a stream✨
fputc(3)output of characters and strings✨
fputc(3p)put a byte on a stream✨
fputc_unlocked(3)nonlocking stdio functions✨
fputs(3)output of characters and strings✨
fputs(3p)put a string on a stream✨
fputs_unlocked(3)nonlocking stdio functions✨
fputwc(3)write a wide character to a FILE stream✨
fputwc(3p)put a wide-character code on a stream✨
fputwc_unlocked(3)nonlocking stdio functions✨
fputws(3)write a wide-character string to a FILE stream✨
fputws(3p)put a wide-character string on a stream✨
fputws_unlocked(3)nonlocking stdio functions✨
fread(3)binary stream input/output✨
fread(3p)binary input✨
fread_unlocked(3)nonlocking stdio functions✨
free(3)allocate and free dynamic memory✨
free(3p)free allocated memory✨
free_hugepages(2)allocate or free huge pages✨
freeaddrinfo(3)network address and service translation✨
freeaddrinfo(3p)get address information✨
freehostent(3)get network hostnames and addresses✨
freeifaddrs(3)get interface addresses✨
freelocale(3)create, modify, and free a locale object✨
freelocale(3p)free resources allocated for a locale object✨
fremovexattr(2)remove an extended attribute✨
freopen(3)stream open functions✨
freopen(3p)open a stream✨
frexp(3)convert floating-point number to fractional and integral components✨
frexp(3p)extract mantissa and exponent from a double precision number✨
frexpf(3)convert floating-point number to fractional and integral components✨
frexpl(3)convert floating-point number to fractional and integral components✨
fs(5)Linux filesystem types: ext, ext2, ext3, ext4, hpfs, iso9660, JFS, minix, msdos, ncpfs nfs, ntfs, proc, Reiserfs, smb, sysv, umsdos, vfat, XFS, xiafs✨
fs_disk_quota(2type)filesystem disk quota✨
FS_IOC_GETFLAGS(2const)ioctl() operations for inode flags✨
FS_IOC_GETFSLABEL(2const)get or set a filesystem label✨
FS_IOC_GETFSMAP(2const)retrieve the physical layout of the filesystem✨
FS_IOC_SETFLAGS(2const)ioctl() operations for inode flags✨
FS_IOC_SETFSLABEL(2const)get or set a filesystem label✨
fscanf(3)input FILE format conversion✨
fscanf(3p)convert formatted input✨
fsconfig(2)configure new or existing filesystem context✨
fseek(3)reposition a stream✨
fseek(3p)reposition a file-position indicator in a stream✨
fseeko(3)seek to or report file position✨
fsetpos(3)reposition a stream✨
fsetpos(3p)set current file position✨
fsetxattr(2)set an extended attribute value✨
fsmount(2)instantiate mount object from filesystem context✨