Defined in 2 files as a prototype:

• contrib/gcc/sys-protos.h, line 577 (as a prototype)
• lib/msun/src/math.h, line 325 (as a prototype)

Defined in 1 files as a macro:

• gnu/lib/libstdc++/config.h, line 971 (as a macro)

Referenced in 5 files:

• contrib/netbsd-tests/lib/libc/stdlib/t_strtod.c, line 199
• contrib/netbsd-tests/lib/libm/t_pow.c
  • line 349
  • line 362
• lib/libc/gen/isnan.c, line 45
• lib/msun/src/e_scalbf.c
  • line 33
  • line 33
• lib/msun/src/s_isnan.c, line 65