ustrlen - Tells the number of characters in a string. Allegro game programming library.

       This  function returns the number of characters in `s'. Note that this doesn't have to equal the string's
       size in bytes.

       ustrlen - Tells the number of characters in a string. Allegro game programming library.

uconvert(3alleg4), ustrsize(3alleg4), ustrsizez(3alleg4)

Allegro                                           version 4.4.3                                 ustrlen(3alleg4)

#include<allegro.h>intustrlen(constchar*s);