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D (continued)

dup3(2)duplicate a file descriptor✨
duplocale(3)duplicate a locale object✨
dysize(3)get number of days for a given year✨

E

eaccess(3)check effective user's permissions for a file✨
ecb_crypt(3)fast DES encryption✨
ecvt(3)convert a floating-point number to a string✨
ecvt_r(3)convert a floating-point number to a string✨
edata(3)end of program segments✨
encrypt(3)encrypt 64-bit messages✨
encrypt_r(3)encrypt 64-bit messages✨
end(3)end of program segments✨
endaliasent(3)read an alias entry✨
endfsent(3)handle fstab entries✨
endgrent(3)get group file entry✨
endhostent(3)get network host entry✨
endian(3)convert values between host and big-/little-endian byte order✨
endmntent(3)get filesystem descriptor file entry✨
endnetent(3)get network entry✨
endnetgrent(3)handle network group entries✨
endprotoent(3)get protocol entry✨
endpwent(3)get password file entry✨
endrpcent(3)get RPC entry✨
endservent(3)get service entry✨
endspent(3)get shadow password file entry✨
endttyent(3)get ttys file entry✨
endusershell(3)get permitted user shells✨
endutent(3)access utmp file entries✨
endutxent(3)access utmp file entries✨
envz(3)environment string support✨
envz_add(3)environment string support✨
envz_entry(3)environment string support✨
envz_get(3)environment string support✨
envz_merge(3)environment string support✨
envz_remove(3)environment string support✨
envz_strip(3)environment string support✨
EOF(3const)end of file or error indicator✨
EPIOCGPARAMS(2const)ioctl() operations for epoll file descriptors✨
EPIOCSPARAMS(2const)ioctl() operations for epoll file descriptors✨
epoll_create(2)open an epoll file descriptor✨
epoll_create1(2)open an epoll file descriptor✨
epoll_ctl(2)control interface for an epoll file descriptor✨
epoll_data(3type)epoll event✨
epoll_data_t(3type)epoll event✨
epoll_event(3type)epoll event✨
epoll_pwait(2)wait for an I/O event on an epoll file descriptor✨
epoll_pwait2(2)wait for an I/O event on an epoll file descriptor✨
epoll_wait(2)wait for an I/O event on an epoll file descriptor✨
erand48(3)generate uniformly distributed pseudo-random numbers✨
erand48_r(3)generate uniformly distributed pseudo- random numbers reentrantly✨
erf(3)error function✨
erfc(3)complementary error function✨
erfcf(3)complementary error function✨
erfcl(3)complementary error function✨
erff(3)error function✨
erfl(3)error function✨
err(3)formatted error messages✨
errno(3)number of last error✨
error(3)glibc error reporting functions✨
error_at_line(3)glibc error reporting functions✨
error_message_count(3)glibc error reporting functions✨
error_one_per_line(3)glibc error reporting functions✨
error_print_progname(3)glibc error reporting functions✨
errx(3)formatted error messages✨
etext(3)end of program segments✨
ether_aton(3)Ethernet address manipulation routines✨
ether_aton_r(3)Ethernet address manipulation routines✨
ether_hostton(3)Ethernet address manipulation routines✨
ether_line(3)Ethernet address manipulation routines✨
ether_ntoa(3)Ethernet address manipulation routines✨
ether_ntoa_r(3)Ethernet address manipulation routines✨
ether_ntohost(3)Ethernet address manipulation routines✨
euidaccess(3)check effective user's permissions for a file✨
eventfd(2)create a file descriptor for event notification✨
eventfd2(2)create a file descriptor for event notification✨
eventfd_read(3)create a file descriptor for event notification✨
eventfd_write(3)create a file descriptor for event notification✨
exec(3)execute a file✨
execl(3)execute a file✨
execle(3)execute a file✨
execlp(3)execute a file✨
execv(3)execute a file✨
execve(2)execute program✨
execveat(2)execute program relative to a directory file descriptor✨
execvp(3)execute a file✨
execvpe(3)execute a file✨
exit(2)terminate the calling thread✨
exit(3)cause normal process termination✨
EXIT_FAILURE(3const)termination status constants✨
exit_group(2)exit all threads in a process✨
EXIT_SUCCESS(3const)termination status constants✨
exp(3)base-e exponential function✨
exp10(3)base-10 exponential function✨
exp10f(3)base-10 exponential function✨
exp10l(3)base-10 exponential function✨
exp2(3)base-2 exponential function✨
exp2f(3)base-2 exponential function✨
exp2l(3)base-2 exponential function✨
expf(3)base-e exponential function✨
expl(3)base-e exponential function✨
explicit_bzero(3)explicit byte-array zero✨
expm1(3)exponential minus 1✨
expm1f(3)exponential minus 1✨
expm1l(3)exponential minus 1✨

F

F_ADD_SEALS(2const)get/add file seals✨
F_DUPFD(2const)duplicate a file descriptor✨
F_DUPFD_CLOEXEC(2const)duplicate a file descriptor✨
F_GET_FILE_RW_HINT(2const)get/set file read/write hints✨
F_GET_RW_HINT(2const)get/set file read/write hints✨
F_GET_SEALS(2const)get/add file seals✨
F_GETDELEG(2const)delegations✨
F_GETFD(2const)get/set file descriptor flags✨
F_GETFL(2const)get/set file status flags✨
F_GETLEASE(2const)leases✨
F_GETLK(2const)locking✨
F_GETOWN(2const)managing signals✨
F_GETOWN_EX(2const)managing signals✨
F_GETPIPE_SZ(2const)get/set the capacity of a pipe✨
F_GETSIG(2const)managing signals✨
F_NOTIFY(2const)file and directory change notification✨
F_OFD_GETLK(2const)locking✨
F_OFD_SETLK(2const)locking✨
F_OFD_SETLKW(2const)locking✨
F_SET_FILE_RW_HINT(2const)get/set file read/write hints✨
F_SET_RW_HINT(2const)get/set file read/write hints✨
F_SETDELEG(2const)delegations✨
F_SETFD(2const)get/set file descriptor flags✨
F_SETFL(2const)get/set file status flags✨
F_SETLEASE(2const)leases✨
F_SETLK(2const)locking✨
F_SETLKW(2const)locking✨
F_SETOWN(2const)managing signals✨
F_SETOWN_EX(2const)managing signals✨
F_SETPIPE_SZ(2const)get/set the capacity of a pipe✨
F_SETSIG(2const)managing signals✨
fabs(3)absolute value of floating-point number✨
fabsf(3)absolute value of floating-point number✨
fabsl(3)absolute value of floating-point number✨
faccessat(2)check user's permissions for a file✨
faccessat2(2)check user's permissions for a file✨
fadvise64(2)predeclare an access pattern for file data✨
fadvise64_64(2)predeclare an access pattern for file data✨
fallocate(2)manipulate file space✨
fanotify_init(2)create and initialize fanotify group✨
fanotify_mark(2)add, remove, or modify an fanotify mark on a filesystem object✨
FAT_IOCTL_GET_ATTRIBUTES(2const)get and set file attributes in a FAT filesystem✨
FAT_IOCTL_GET_VOLUME_ID(2const)read the volume ID in a FAT filesystem✨
FAT_IOCTL_SET_ATTRIBUTES(2const)get and set file attributes in a FAT filesystem✨
fattach(2)unimplemented system calls✨
fchdir(2)change working directory✨
fchmod(2)change permissions of a file✨
fchmodat(2)change permissions of a file✨
fchown(2)change ownership of a file✨
fchown32(2)change ownership of a file✨
fchownat(2)change ownership of a file✨
fclose(3)close a stream✨
fcloseall(3)close all open streams✨
fcntl(2)manipulate file descriptor✨
fcntl64(2)manipulate file descriptor✨
fcntl_locking(2)locking✨
fcvt(3)convert a floating-point number to a string✨
fcvt_r(3)convert a floating-point number to a string✨
FD_CLR(3)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✨
fdetach(2)unimplemented system calls✨
fdim(3)positive difference✨
fdimf(3)positive difference✨
fdiml(3)positive difference✨
fdopen(3)stream open functions✨
fdopendir(3)open a directory✨
feclearexcept(3)floating- point rounding and exception handling✨
fedisableexcept(3)floating- point rounding and exception handling✨
feenableexcept(3)floating- point rounding and exception handling✨
fegetenv(3)floating- point rounding and exception handling✨
fegetexcept(3)floating- point rounding and exception handling✨
fegetexceptflag(3)floating- point rounding and exception handling✨
fegetround(3)floating- point rounding and exception handling✨
feholdexcept(3)floating- point rounding and exception handling✨
fenv(3)floating- point rounding and exception handling✨
fenv_t(3type)floating-point environment✨
feof(3)check and reset stream status✨
feof_unlocked(3)nonlocking stdio functions✨
feraiseexcept(3)floating- point rounding and exception handling✨
ferror(3)check and reset stream status✨
ferror_unlocked(3)nonlocking stdio functions✨
fesetenv(3)floating- point rounding and exception handling✨
fesetexceptflag(3)floating- point rounding and exception handling✨
fesetround(3)floating- point rounding and exception handling✨
fetestexcept(3)floating- point rounding and exception handling✨
feupdateenv(3)floating- point rounding and exception handling✨
fexcept_t(3type)floating-point environment✨
fexecve(3)execute program specified via file descriptor✨
fflush(3)flush a stream✨
fflush_unlocked(3)nonlocking stdio functions✨
ffs(3)find first bit set in a word✨
ffsl(3)find first bit set in a word✨
ffsll(3)find first bit set in a word✨
fgetc(3)FILE get character✨