Searched defs:is_digit (Results 1 – 7 of 7) sorted by relevance
38 #define is_digit(ch) \ macro
96 #define is_digit(c) ((unsigned)(c) - '0' <= 9) macro
57 #define is_digit(c) ((unsigned)to_digit(c) <= 9) macro
77 #define is_digit(c) (((unsigned)to_digit(c)) <= 9) macro
138 #define is_digit(c) ((unsigned)(c) - '0' <= 9) macro
191 is_digit (int c) in is_digit() function
130 static int is_digit (char ch) in is_digit() function