Defined in 2 files as a macro:

• include/linux/ctype.h, line 28 (as a macro)
• tools/include/linux/ctype.h, line 28 (as a macro)

Referenced in 5 files:

• lib/zlib_deflate/deftree.c
  • line 472
  • line 981
• scripts/kconfig/nconf.c, line 1033
• scripts/kconfig/nconf.gui.c, line 436
• tools/tracing/latency/latency-collector.c
  • line 1258
  • line 1265
• usr/gen_init_cpio.c
  • line 418
  • line 441