tolower
#define tolower(c) __sbtolower(c)
static __inline int tolower(int c)
tolower (
#define tolower(x) (isupper(x) ? (x) + 'a' - 'A' : (x))
#define tolower grub_tolower
#undef tolower
tolower(int c)
#define tolower(c) ((c) >= 'A' && (c) <= 'Z' ? (c) | 0x20 : (c))
tolower(int c)
#define tolower(C) (((C) >= 'A' && (C) <= 'Z') ? (C) - 'A' + 'a' : (C))
#define tolower(ch) ('a' + ((ch) - 'A'))
#define tolower(C) (((C) >= 'A' && (C) <= 'Z') ? (C) - 'A' + 'a' : (C))
#define tolower(C) (((C) >= 'A' && (C) <= 'Z') ? (C) - 'A' + 'a' : (C))
#define tolower(x) (isupper(x) ? (x) - 'A' + 'a' : (x))