SIGN_EXTEND_CHAR

    SIGN_EXTEND_CHAR 166 modules/up/src/Core/gnu/regex.c #define SIGN_EXTEND_CHAR(c) ((signed char) (c))
    SIGN_EXTEND_CHAR 169 modules/up/src/Core/gnu/regex.c #define SIGN_EXTEND_CHAR(c) ((((unsigned char) (c)) ^ 128) - 128)
    SIGN_EXTEND_CHAR 166 modules/up/src/gnug++/regex.c #define SIGN_EXTEND_CHAR(c) ((signed char) (c))
    SIGN_EXTEND_CHAR 169 modules/up/src/gnug++/regex.c #define SIGN_EXTEND_CHAR(c) ((((unsigned char) (c)) ^ 128) - 128)