pr29_strerror - API function
const char * pr29_strerror(Pr29_rc rc);
Pr29_rc rc an Pr29_rc return code.
Convert a return code integer to a text string. This string can be
used to output a diagnostic message to the user.
Successful operation. This value is guaranteed to always be zero, the
remaining ones are only guaranteed to hold non-zero values, for logical
A problem sequence was encountered.
The character set conversion failed (only for pr29_8() and pr29_8z()).
Returns a pointer to a statically allocated string containing a
description of the error with the return code rc.
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