SIGN_EXTEND_CHAR

    SIGN_EXTEND_CHAR 406 modules/up/src/Core/gnu/regex.c     (destination) += SIGN_EXTEND_CHAR (*((source) + 1)) << 8;            \
    SIGN_EXTEND_CHAR 415 modules/up/src/Core/gnu/regex.c   int temp = SIGN_EXTEND_CHAR (*(source + 1));
    SIGN_EXTEND_CHAR 406 modules/up/src/gnug++/regex.c     (destination) += SIGN_EXTEND_CHAR (*((source) + 1)) << 8;              \
    SIGN_EXTEND_CHAR 415 modules/up/src/gnug++/regex.c   int temp = SIGN_EXTEND_CHAR (*(source + 1));