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Text File  |  1992-10-12  |  236 b   |  17 lines
  1. /* strlwr.c:    Convert a string to lower case */
  2.  
  3. #include <ctype.h>
  4.  
  5. char *strlwr(char *s)
  6. {
  7.     if (s != NULL)
  8.     {
  9.         char *p;
  10.  
  11.         for (p = s; *p; ++p)
  12.             *p = tolower(*p);
  13.     }
  14.     return s;
  15. }
  16.  
  17.