C programming/string.h/strerror

The string-error function, strerror, is a C/C++ function which translates an error code, usually stored in the global variable errno, to a human-readable error message. History The strerror function is defined in IEEE Std 1003.1, also known as POSIX 1. Reentrancy The strerror function is not reentrant. For a reentrant version of the function, see strerror r. Usage Inclusion #include <string.h> Declaration char* strerror(int errnum); Semantics The function generates and reports a C-style string, containing an error message derived from the error code passed in with errnum. See also strerror r perror References strerror by OpenGroup External links C++ reference for std::strerror deep ru:Strerror uk:Strerror