| Updated: October 28, 2024 |
| Function | Classification | Library | Cancel | ISR | Signal | Thread |
|---|---|---|---|---|---|---|
| eaccess() | Unix | libc | No | No | Yes | Yes |
| encrypt() | POSIX 1003.1 XSI | libc | No | No | No | No |
| endfsent() | NetBSD | libc | Yes | No | No | No |
| endgrent() | POSIX 1003.1 | libc | Yes | No | No | No |
| endhostent() | POSIX 1003.1 | libsocket | Yes | No | No | No |
| ENDIAN_BE16() | QNX Neutrino | libc | No | Yes | Yes | Yes |
| ENDIAN_BE32() | QNX Neutrino | libc | No | Yes | Yes | Yes |
| ENDIAN_BE64() | QNX Neutrino | libc | No | Yes | Yes | Yes |
| ENDIAN_LE16() | QNX Neutrino | libc | No | Yes | Yes | Yes |
| ENDIAN_LE32() | QNX Neutrino | libc | No | Yes | Yes | Yes |
| ENDIAN_LE64() | QNX Neutrino | libc | No | Yes | Yes | Yes |
| ENDIAN_RET16() | QNX Neutrino | libc | No | Yes | Yes | Yes |
| ENDIAN_RET32() | QNX Neutrino | libc | No | Yes | Yes | Yes |
| ENDIAN_RET64() | QNX Neutrino | libc | No | Yes | Yes | Yes |
| ENDIAN_SWAP16() | QNX Neutrino | libc | No | Yes | Yes | Yes |
| ENDIAN_SWAP32() | QNX Neutrino | libc | No | Yes | Yes | Yes |
| ENDIAN_SWAP64() | QNX Neutrino | libc | No | Yes | Yes | Yes |
| endnetent() | POSIX 1003.1 | libsocket | Yes | No | No | No |
| endprotoent() | POSIX 1003.1 | libsocket | Yes | No | No | No |
| endpwent() | POSIX 1003.1 | libc | Yes | No | No | No |
| endservent() | POSIX 1003.1 | libsocket | Yes | No | No | No |
| endspent() | Unix | libc | Yes | No | No | No |
| endutent() | Unix | libc | Yes | No | No | No |
| erand48() | POSIX 1003.1 XSI | libc | No | No | No | Yes |
| erf() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |
| erff() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |
| erfl() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |
| erfc() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |
| erfcf() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |
| erfcl() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |
| err() | Unix | libc | Yes | No | Yes | Yes |
| errx() | Unix | libc | Yes | No | Yes | Yes |
| execl() | POSIX 1003.1 | libc | No | No | Yes | Yes |
| execle() | POSIX 1003.1 | libc | No | No | Yes | Yes |
| execlp() | POSIX 1003.1 | libc | No | No | No | Yes |
| execlpe() | QNX Neutrino | libc | No | No | No | Yes |
| execv() | POSIX 1003.1 | libc | No | No | Yes | Yes |
| execve() | POSIX 1003.1 | libc | No | No | Yes | Yes |
| execvp() | POSIX 1003.1 | libc | No | No | No | Yes |
| execvpe() | QNX Neutrino | libc | No | No | Yes | Yes |
| _exit() | POSIX 1003.1 | libc | No | No | Yes | Yes |
| exit() | ANSI, POSIX 1003.1 | libc | No | No | No | Yes |
| exp() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |
| expf() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |
| expl() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |
| exp2() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |
| exp2f() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |
| exp2l() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |
| expm1() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |
| expm1f() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |
| expm1l() | C11, POSIX 1003.1 | libm, libm-sve | No | Yes | Yes | Yes |