ustrncmp - Compares up to n letters of two strings. Allegro game programming library.

       This function compares up to `n' characters of `s1' and `s2'. Example:

          if (ustrncmp(prefix, long_string, ustrlen(prefix)) == 0) {
             /* long_string starts with prefix */
          }

       ustrncmp - Compares up to n letters of two strings. Allegro game programming library.

       Returns  zero  if  the  substrings  are  equal,  a  positive number if `s1' comes after `s2' in the ASCII
       collating sequence, else a negative number.

uconvert(3alleg4),   ustrsize(3alleg4),    ustrsizez(3alleg4),    ustrcmp(3alleg4),    ustricmp(3alleg4),
       ustrnicmp(3alleg4)

Allegro                                           version 4.4.3                                ustrncmp(3alleg4)

#include<allegro.h>intustrncmp(constchar*s1,constchar*s2,intn);