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al_cstr - Allegro 5 API
#include <allegro5/allegro.h> const char *al_cstr(const ALLEGRO_USTR *us)
Get a char * pointer to the data in a string. This pointer will only be valid while the ALLEGRO_USTR(3alleg5) object is not modified and not destroyed. The pointer may be passed to functions expecting C-style strings, with the following caveats: · ALLEGRO_USTRs are allowed to contain embedded NUL ('\0') bytes. That means al_ustr_size(u) and strlen(al_cstr(u)) may not agree. · An ALLEGRO_USTR may be created in such a way that it is not NUL terminated. A string which is dynamically allocated will always be NUL terminated, but a string which references the middle of another string or region of memory will not be NUL terminated. · If the ALLEGRO_USTR references another string, the returned C string will point into the referenced string. Again, no NUL terminator will be added to the referenced string.