Defined in 2 files as a macro:

• include/linux/ctype.h, line 25 (as a macro)
• tools/include/linux/ctype.h, line 25 (as a macro)

Referenced in 3 files:

• drivers/pci/p2pdma.c, line 947
• drivers/s390/char/hmcdrv_ftp.c, line 137
• drivers/tty/n_tty.c
  • line 479
  • line 585
  • line 947
  • line 1069
  • line 1078
  • line 1083