Return to yn.c CVS log

Up to [MW Coherent from dump] / coherent / g / usr / lib / misc

Annotation of coherent/g/usr/lib/misc/yn.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * ask a question yes or no via stderr.
                      3:  */
                      4: #include <misc.h>
                      5: 
                      6: yn(question)
                      7: char * question;
                      8: {
                      9:        char reply[80];
                     10: 
                     11:        for (;;) {
                     12:                fprintf(stderr, "%r <y/n> ", &question);
                     13:                fflush(stderr);
                     14:                if (NULL == gets(reply))
                     15:                        fatal("unexpected eof on stdin");
                     16:                switch (*reply) {
                     17:                case 'Y':
                     18:                case 'y':
                     19:                        return (1);
                     20:                case 'n':
                     21:                case 'N':
                     22:                        return (0);
                     23:                }
                     24:                printf("You must answer Y or N\n");
                     25:        }
                     26: }
                     27: #ifdef TEST
                     28: /*
                     29:  * This test is a usefull program.
                     30:  *
                     31:  * Inquire on all items in argv and then put out the approved ones.
                     32:  * An example of use is.
                     33:  * pr `yn *.[ch]`
                     34:  * This would inquire on all .c and .h files and send them through pr.
                     35:  */
                     36: main(argc, argv)
                     37: register char *argv[];
                     38: {
                     39:        register char *arg;
                     40: 
                     41:        while (NULL != (arg = *++argv))
                     42:                if (yn("%s", arg))
                     43:                        puts(arg);
                     44: }
                     45: #endif

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.