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

1.1     ! root        1: 
        !             2: 
        !             3: envp                        C Language                       envp
        !             4: 
        !             5: 
        !             6: 
        !             7: 
        !             8: Argument passed to main()
        !             9: 
        !            10: cchhaarr *eennvvpp[];
        !            11: 
        !            12: envp is  an abbreviation for environmental  parameter.  It is the
        !            13: traditional name  for a  pointer to  an array of  string pointers
        !            14: passed to  a C program's main function, and  is by convention the
        !            15: third argument passed to main.
        !            16: 
        !            17: ***** Example *****
        !            18: 
        !            19: The following example demonstrates envp, argc, and argv.
        !            20: 
        !            21: 
        !            22: #include <stdio.h>
        !            23: 
        !            24: main(argc, argv, envp)
        !            25: int argc;                /* Number of args */
        !            26: char *argv[];            /* Argument ptr array */
        !            27: char *envp[];            /* Environment ptr array */
        !            28: {
        !            29:     int a;
        !            30: 
        !            31: 
        !            32: 
        !            33:     printf("The command name (argv[0]) is %s\n", argv[0]);
        !            34:     printf("There are %d arguments:\n", argc-1);
        !            35:     for (a=1; a<argc; a++)
        !            36:                          printf("\targument %2d:\t%s\n", a, argv[a]);
        !            37: 
        !            38: 
        !            39: 
        !            40:     printf("The environment is as follows:\n");
        !            41:     a = 0;
        !            42:     while (envp[a] != NULL)
        !            43:                          printf("\t%s\n", envp[a++]);
        !            44: }
        !            45: 
        !            46: 
        !            47: ***** See Also *****
        !            48: 
        !            49: argc, argv, C language, environ, main()
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        !            63: 
        !            64: COHERENT Lexicon                                           Page 1
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