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Annotation of coherent/a/usr/man/ALL/tolower, revision 1.1

1.1     ! root        1: 
        !             2: 
        !             3: tolower()                  ctype Macro                  tolower()
        !             4: 
        !             5: 
        !             6: 
        !             7: 
        !             8: Convert characters to lower case
        !             9: 
        !            10: #iinncclluuddee <ccttyyppee.hh>
        !            11: iinntt ttoolloowweerr(_c) iinntt _c;
        !            12: 
        !            13: tolower converts  the letter c to lower  case.  tolower returns c
        !            14: converted to  lower case.   If c  is not a  letter or  is already
        !            15: lower case, then tolower returns it unchanged.
        !            16: 
        !            17: ***** Example *****
        !            18: 
        !            19: The  following  example  demonstrates  tolower and  toupper.   It
        !            20: reverses the case of every character in a text file.
        !            21: 
        !            22: 
        !            23: #include <ctype.h>
        !            24: #include <stdio.h>
        !            25: 
        !            26: 
        !            27: 
        !            28: main()
        !            29: {
        !            30:         FILE *fp;
        !            31:         int ch;
        !            32:         int filename[20];
        !            33: 
        !            34: 
        !            35: 
        !            36:         printf("Enter name of file to use: ");
        !            37:         fflush(stdout);
        !            38:         gets(filename);
        !            39: 
        !            40: 
        !            41: 
        !            42:         if ((fp = fopen(filename,"r")) != NULL) {
        !            43:                 while ((ch = fgetc(fp)) != EOF)
        !            44:                         putchar(isupper(ch) ? tolower(ch) : toupper(ch));
        !            45:         } else
        !            46:                  printf("Cannot open %s.\n", filename);
        !            47: }
        !            48: 
        !            49: 
        !            50: ***** See Also *****
        !            51: 
        !            52: ctype, toupper()
        !            53: 
        !            54: 
        !            55: 
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        !            62: 
        !            63: 
        !            64: COHERENT Lexicon                                           Page 1
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