2.9BSD - /usr/src/lib/libF77/s_cmp.c

   1: /*
   2:  *	"@(#)s_cmp.c	1.1"
   3:  */
   4: 
   5: int s_cmp(a, b, la, lb) /* compare two strings */
   6: register char *a, *b;
   7: long int la, lb;
   8: {
   9: register char *aend, *bend;
  10: aend = a + la;
  11: bend = b + lb;
  12: 
  13: if(la <= lb)
  14:     {
  15:     while(a < aend)
  16:         if(*a != *b)
  17:             return( *a - *b );
  18:         else
  19:             { ++a; ++b; }
  20: 
  21:     while(b < bend)
  22:         if(*b != ' ')
  23:             return( ' ' - *b );
  24:         else    ++b;
  25:     }
  26: 
  27: else
  28:     {
  29:     while(b < bend)
  30:         if(*a == *b)
  31:             { ++a; ++b; }
  32:         else
  33:             return( *a - *b );
  34:     while(a < aend)
  35:         if(*a != ' ')
  36:             return(*a - ' ');
  37:         else    ++a;
  38:     }
  39: return(0);
  40: }

Defined functions