Defined in 3 files as a macro:

• arch/powerpc/kernel/prom_init.c, line 529 (as a macro)
• include/linux/ctype.h, line 27 (as a macro)
• tools/perf/util/util.h, line 235 (as a macro)

Referenced in 6 files:

• arch/powerpc/kernel/prom_init.c, line 530
• arch/s390/kernel/ipl.c, line 362
• drivers/scsi/qla2xxx/tcm_qla2xxx.c, line 92
• include/linux/ctype.h, line 47
• scripts/asn1_compiler.c, line 426
• tools/perf/util/util.h, line 207