for portability to K&R hosts. Fix typo: signed char is guaranteed
only to 127, not to 128.
# MIN to MAX (included).
m4_define([b4_int_type],
[m4_if(b4_ints_in($@, [0], [255]), [1], [unsigned char],
# MIN to MAX (included).
m4_define([b4_int_type],
[m4_if(b4_ints_in($@, [0], [255]), [1], [unsigned char],
- b4_ints_in($@, [-128], [128]), [1], [signed char],
+ b4_ints_in($@, [-128], [127]), [1], [yysigned_char],
b4_ints_in($@, [0], [65535]), [1], [unsigned short],
b4_ints_in($@, [-32768], [32767]), [1], [short],
b4_ints_in($@, [0], [65535]), [1], [unsigned short],
b4_ints_in($@, [-32768], [32767]), [1], [short],