Lines Matching refs:c
7 int isdigit(int c) { in isdigit() argument
8 return (c >= '0') && (c <= '9'); in isdigit()
11 int isspace(int c) { in isspace() argument
12 return (c == ' ') || in isspace()
13 (c == '\f') || in isspace()
14 (c == '\n') || in isspace()
15 (c == '\r') || in isspace()
16 (c == '\t') || in isspace()
17 (c == '\v'); in isspace()
20 int tolower(int c) { in tolower() argument
21 if (c >= 'A' && c <= 'Z') { in tolower()
22 return c + ('a' - 'A'); in tolower()
24 return c; in tolower()