Implement the iscntrl() function, which returns whether a character is a control one or not. Ref: https://en.cppreference.com/w/c/string/byte/iscntrl Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no> |
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| .. | ||
| bits | ||
| sys | ||
| assert.h | ||
| ctype.h | ||
| errno.h | ||
| fcntl.h | ||
| inttypes.h | ||
| limits.h | ||
| math.h | ||
| stdbool.h | ||
| stdint.h | ||
| stdio.h | ||
| stdlib.h | ||
| string.h | ||
| strings.h | ||
| time.h | ||