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Annotation of 43BSD/contrib/mkmf/src/mustfopen.c, revision 1.1

1.1     ! root        1: /* $Header: mustfopen.c,v 1.2 85/03/17 12:51:04 nicklin Exp $ */
        !             2: 
        !             3: /*
        !             4:  * Author: Peter J. Nicklin
        !             5:  */
        !             6: 
        !             7: /*
        !             8:  * mustfopen() opens a file in the manner of fopen(3). However, if the file
        !             9:  * cannot be accessed, exit(1) is called.
        !            10:  */
        !            11: #include <stdio.h>
        !            12: 
        !            13: extern char *PGN;              /* program name */
        !            14: 
        !            15: FILE *
        !            16: mustfopen(filename,mode)
        !            17:        char *filename;
        !            18:        char *mode;
        !            19: {
        !            20:        FILE *stream;                   /* file stream */
        !            21: 
        !            22:        if ((stream = fopen(filename,mode)) == NULL)
        !            23:                {
        !            24:                if (*PGN != '\0')
        !            25:                        fprintf(stderr, "%s: ", PGN);
        !            26:                fprintf(stderr, "can't open %s\n",filename);
        !            27:                exit(1);
        !            28:                }
        !            29:        return(stream);
        !            30: }

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