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Annotation of 42BSD/games/monop/strcmp.c, revision 1.1.1.1

1.1       root        1: # include      <stdio.h>
                      2: # include      <ctype.h>
                      3: 
                      4: # define       reg     register
                      5: 
                      6: # define       makelower(c)    (isupper(c) ? tolower(c) : c)
                      7: 
                      8: /*
                      9:  * Compare strings:  s1>s2: >0  s1==s2: 0  s1<s2: <0
                     10:  */
                     11: 
                     12: strcmp(s1, s2)
                     13: reg char       *s1, *s2; {
                     14: 
                     15:        while (makelower(*s1) == makelower(*s2)) {
                     16:                if (*s1 == '\0')
                     17:                        return 0;
                     18:                s1++, s2++;
                     19:        }
                     20:        return *s1 - *s2;
                     21: }

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