Defined in 4 files as a macro:

• include/_stdlib.h, line 62 (as a macro)
• include/_stdlib.h, line 85 (as a macro)
• include/unistd.h, line 75 (as a macro)
• include/unistd.h, line 81 (as a macro)

Referenced in 2 files:

• include/_stdlib.h
  • line 83
  • line 292
  • line 295
  • line 297
  • line 303
  • line 305
• include/unistd.h
  • line 80
  • line 655