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NAME

       strsignal - return string describing signal

SYNOPSIS

       #include <string.h>

       char *strsignal(int sig);

       extern const char * const sys_siglist[];

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       strsignal():
           Since glibc 2.10:
               _POSIX_C_SOURCE >= 200809L
           Before glibc 2.10:
               _GNU_SOURCE

DESCRIPTION

       The  strsignal()  function  returns  a  string  describing the signal number passed in the
       argument sig.  The string can be used only until the next call to strsignal().

       The array sys_siglist holds the signal description strings indexed by signal number.   The
       strsignal() function should be used if possible instead of this array.

RETURN VALUE

       The  strsignal() function returns the appropriate description string, or an unknown signal
       message if the signal number is invalid.  On some systems (but not  on  Linux),  NULL  may
       instead be returned for an invalid signal number.

ATTRIBUTES

       For an explanation of the terms used in this section, see attributes(7).

       ┌────────────┬───────────────┬─────────────────────────────────┐
       │InterfaceAttributeValue                           │
       ├────────────┼───────────────┼─────────────────────────────────┤
       │strsignal() │ Thread safety │ MT-Unsafe race:strsignal locale │
       └────────────┴───────────────┴─────────────────────────────────┘

CONFORMING TO

       POSIX.1-2008.  Present on Solaris and the BSDs.

SEE ALSO

       psignal(3), strerror(3)

COLOPHON

       This  page  is  part of release 5.02 of the Linux man-pages project.  A description of the
       project, information about reporting bugs, and the latest version of  this  page,  can  be
       found at https://www.kernel.org/doc/man-pages/.