/**
* Locale-independent conversion of ASCII isdigit.
*/
-av_const int av_isdigit(int c);
+static inline av_const int av_isdigit(int c)
+{
+ return c >= '0' && c <= '9';
+}
/**
* Locale-independent conversion of ASCII isgraph.
*/
-av_const int av_isgraph(int c);
+static inline av_const int av_isgraph(int c)
+{
+ return c > 32 && c < 127;
+}
/**
* Locale-independent conversion of ASCII isspace.
*/
-av_const int av_isspace(int c);
+static inline av_const int av_isspace(int c)
+{
+ return c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' ||
+ c == '\v';
+}
/**
* Locale-independent conversion of ASCII characters to uppercase.
/**
* Locale-independent conversion of ASCII isxdigit.
*/
-av_const int av_isxdigit(int c);
+static inline av_const int av_isxdigit(int c)
+{
+ c = av_tolower(c);
+ return av_isdigit(c) || (c >= 'a' && c <= 'f');
+}
/**
* Locale-independent case-insensitive compare.