Defined in 1 files as a prototype:

• include/ctype.h, line 249 (as a prototype)

Defined in 2 files as a function:

• include/ctype.h, line 220 (as a function)
• include/ctype.h, line 240 (as a function)

Referenced in 2 files:

• include/_wctype.h, line 140
• include/ctype.h
  • line 268
  • line 354