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Annotation of researchv10no/cmd/picasso/tmpfile.c, revision 1.1.1.1

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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