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- #include <stdio.h>
- #include <assert.h>
-
- char *gets(data)
- register char *data;
- {
- register char *p = data;
- register int c;
-
- assert((data != NULL));
-
- while(((c = getc(stdin)) != EOF) && (c != '\n'))
- {
- if(c == '\b')
- {
- if(p > data)
- --p;
- }
- else
- *p++ = c;
- }
- *p = '\0';
- return(((c == EOF) && (p == data)) ? NULL : data); /* NULL == EOF */
- }
-