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Annotation of coherent/b/lib/libc/stdio/gets.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * libc/stdio/gets.c
                      3:  * ANSI-compliant C standard i/o library.
                      4:  * gets()
                      5:  * ANSI 4.9.7.7.
                      6:  * Read string from stdin.
                      7:  * Do not retain newline.
                      8:  */
                      9: 
                     10: #include <stdio.h>
                     11: 
                     12: char *
                     13: gets(s) char *s;
                     14: {
                     15:        register c;
                     16:        register char *cp;
                     17: 
                     18:        cp = s;
                     19:        while ((c = getchar()) != EOF && c != '\n')
                     20:                *cp++ = c;
                     21:        if (c == EOF && (s == cp || ferror(stdin)))
                     22:                return NULL;            /* ANSI says leave *s unchanged */
                     23:        *cp = '\0';                     /* else NUL-terminate */
                     24:        return s;
                     25: }
                     26: 
                     27: /* end of libc/stdio/gets.c */

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