1 #ifndef CTYPE_H 2 #define CTYPE_H 3 4 /* 5 * Small subset of <ctype.h> for parsing uses, only handles ASCII 6 * and passes the rest through. 7 */ 8 9 static inline int toupper(int c) 10 { 11 if (c >= 'a' && c <= 'z') 12 c -= 0x20; 13 14 return c; 15 } 16 17 static inline int tolower(int c) 18 { 19 if (c >= 'A' && c <= 'Z') 20 c += 0x20; 21 22 return c; 23 } 24 25 static inline int isspace(int ch) 26 { 27 int space = 0; 28 if ((ch == ' ') || 29 (ch == '\f') || 30 (ch == '\n') || 31 (ch == '\r') || 32 (ch == '\t') || 33 (ch == '\v')) 34 space = 1; 35 return space; 36 } 37 38 #endif /* CTYPE_H */ 39
