PSIGNAL(3) BSD Programmer's Manual PSIGNAL(3)
psignal, sys_siglist, sys_signame - system signal messages
#include <signal.h> void psignal(unsigned sig, const char *s); extern char *sys_siglist; extern char *sys_signame;
The psignal() function locates the descriptive message string for the given signal number sig and writes it to the standard error. If the argument s is not NULL it is written to the standard error file descriptor prior to the message string, immediately followed by a colon and a space. If the signal number is not recognized (see sigaction(2) for a list), the string "Unknown signal" is produced. The message strings can be accessed directly using the external array sys_siglist, indexed by recognized signal numbers. The external array sys_signame is used similarly and contains short, upper-case abbrevia- tions for signals which are useful for recognizing signal names in user input. The defined value NSIG contains a count of the strings in sys_siglist and sys_signame.
sigaction(2), perror(3), setlocale(3), strsignal(3)
The psignal() function appeared in 4.2BSD. MirOS BSD #10-current June 4, 1993 1
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