Searched refs:lwip_in_range (Results 1 – 1 of 1) sorted by relevance
| /components/net/lwip/lwip-2.1.2/src/include/lwip/ |
| A D | arch.h | 221 #define lwip_in_range(c, lo, up) ((u8_t)(c) >= (lo) && (u8_t)(c) <= (up)) macro
222 #define lwip_isdigit(c) lwip_in_range((c), '0', '9')
223 #define lwip_isxdigit(c) (lwip_isdigit(c) || lwip_in_range((c), 'a', 'f') || lwip_in_range…
224 #define lwip_islower(c) lwip_in_range((c), 'a', 'z')
226 #define lwip_isupper(c) lwip_in_range((c), 'A', 'Z')
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