Defined in 1 files as a prototype:

• include/ctype.h, line 253 (as a prototype)

Defined in 2 files as a function:

• include/ctype.h, line 219 (as a function)
• include/ctype.h, line 238 (as a function)

Referenced in 2 files:

• include/_wctype.h, line 146
• include/ctype.h
  • line 274
  • line 365