str(1): adds reference to perror(3) in include
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				| @ -19,7 +19,7 @@ | ||||
| 
 | ||||
| #include <ctype.h> | ||||
| #include <stddef.h> /* NULL */ | ||||
| #include <stdio.h> /* fprintf(3) */ | ||||
| #include <stdio.h> /* fprintf(3), perror(2) */ | ||||
| #include <stdlib.h> /* size_t, EXIT_FAILURE */ | ||||
| #include <string.h> /* strcmp(3) */ | ||||
| #include <sysexits.h> /* EX_OSERR, EX_USAGE */ | ||||
|  | ||||
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