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Annotation of researchv10no/cmd/picasso/tmpfile.c, revision 1.1

1.1     ! root        1: /*
        !             2:  *     tmpfile - return a pointer to an update file that can be
        !             3:  *             used for scratch. The file will automatically
        !             4:  *             go away if the program using it terminates.
        !             5:  */
        !             6: #include <stdio.h>
        !             7: 
        !             8: extern FILE *fopen();
        !             9: extern int unlink();
        !            10: extern char *tmpnam();
        !            11: extern void perror();
        !            12: 
        !            13: FILE *
        !            14: tmpfile()
        !            15: {
        !            16:        char    tfname[L_tmpnam];
        !            17:        register FILE   *p;
        !            18: 
        !            19:        (void) tmpnam(tfname);
        !            20:        if((p = fopen(tfname, "w+")) == NULL)
        !            21:                return NULL;
        !            22:        else
        !            23:                (void) unlink(tfname);
        !            24:        return(p);
        !            25: }

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