Lines Matching refs:ch
84 static boolean isLower(int ch) {
85 return ((ch-'a')|('z'-ch)) >= 0;
88 static boolean isUpper(int ch) {
89 return ((ch-'A')|('Z'-ch)) >= 0;
92 static int toLower(int ch) {
93 return isUpper(ch) ? (ch + 0x20) : ch;
96 static int toUpper(int ch) {
97 return isLower(ch) ? (ch - 0x20) : ch;
