Open System Services Library Calls Reference Manual (G06.28+, H06.05+)

strftime(3) OSS Library Calls Reference Manual
RETURN VALUES
The strftime() function returns the number of bytes written into the array pointed to by the s
parameter when the total number of resulting bytes, including the terminating null character, is
not more than the value of the maxsize parameter. The returned value does not count the ter-
minating null byte in the number of bytes written into the array. Otherwise, a value of 0 (zero)
cast to size_t is returned and the contents of the array are undefined.
RELATED INFORMATION
Functions: ctime(3), mbstowcs(3), setlocale(3), strptime(3), wcsftime(3).
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