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/ The C Users' Group Library 1994 August / wc-cdrom-cusersgrouplibrary-1994-08.iso / vol_100 / 163_01 / isalpha.c < prev    next >
Text File  |  1988-01-31  |  384b  |  8 lines
  1. /*
  2. ** isalpha -- true if argument is valid ASCII alphabetic
  3. */
  4. isalpha(c) char c; {
  5.   if((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')) return 1;
  6.   else return 0;
  7.   }
  8.