Defined in 2 files as a prototype:

• external/apache2/llvm/dist/clang/lib/Headers/__clang_cuda_device_functions.h, line 443 (as a prototype)
• include/math.h, line 590 (as a prototype)

Defined in 4 files as a function:

• lib/libc/arch/i386/gen/isnanl.c, line 55 (as a function)
• lib/libc/arch/m68k/gen/isnanl.c, line 55 (as a function)
• lib/libc/arch/sparc64/gen/isnanl.c, line 55 (as a function)
• lib/libc/gen/isnanl_ieee754.c, line 56 (as a function)

Referenced in 1 files:

• tests/lib/libc/stdlib/t_strtod.c, line 221