sysexits
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SYSEXITS(3) Library Functions Manual SYSEXITS(3) NAME sysexits -- legacy exit status codes for system programs SYNOPSIS #include <sysexits.h> DESCRIPTION Some commands attempt to describe the nature of a failure condition by us- ing these pre-defined exit codes. This interface has been deprecated and is retained only for compatibility. Its use is discouraged. ERRORS The successful exit is always indicated by a status of 0, or EX_OK. Error numbers begin at EX__BASE to reduce the possibility of clashing with other exit statuses that random programs may already return. The meaning of the…
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