strsignal(3) Library Functions Manual strsignal(3) strsignal, sigabbrev_np, sigdescr_np, sys_siglist - (libc -lc) #include char *strsignal(int sig); const char *sigdescr_np(int sig); const char *sigabbrev_np(int sig); [[deprecated]] extern const char *const sys_siglist[]; glibc ( feature_test_macros(7)): sigabbrev_np(), sigdescr_np(): _GNU_SOURCE strsignal(): glibc 2.10 glibc 2.31: _POSIX_C_SOURCE >= 200809L glibc 2.10: _GNU_SOURCE sys_siglist: glibc 2.19: _DEFAULT_SOURCE glibc 2.19 : _BSD_SOURCE strsignal() sig. strsignal(). strsignal() LC_MESSAGES . sigdescr_np() sig. strsignal() . sigabbrev_np() sig. SIGINT "INT". () sys_siglist . strsignal() sigdescr_np() VERSIONS. strsignal() . ( Linux) NULL . sigdescr_np() sigabbrev_np() . . NULL . attributes(7). +----------------------+------------------------------------+----------+ | | | | +----------------------+------------------------------------+----------+ |strsignal() | | MT-Unsafe | | | | race:strsignal | | | | locale | +----------------------+------------------------------------+----------+ |sigdescr_np(), | | MT-Safe | |sigabbrev_np() | | | +----------------------+------------------------------------+----------+ strsignal() POSIX.1-2008. sigdescr_np() sigabbrev_np() GNU. sys_siglist . strsignal() POSIX.1-2008. . sigdescr_np() sigabbrev_np() glibc 2.32. sys_siglist glibc 2.32. sigdescr_np() sigabbrev_np() . psignal(3) strerror(3) 3 . . : . 6.18 8 2026 strsignal(3)