qh_str()

Return a specified string, a fallback string if the specified string is NULL, or an empty string if the fallback string is also NULL

Synopsis:

#include <qh/string.h>

const char* qh_str(const char *str,
                   const char *fallback_str)

The qh_str() function always returns a non-NULL string.

A non-NULL string (str or fallback_str value, or an empty string).