HelenOS sources

__fpclassify       81 uspace/lib/c/include/math.h int __fpclassify(size_t, ...);
__fpclassify      119 uspace/lib/c/include/math.h #define fpclassify(x)  __fpclassify(sizeof(x), (x))
__fpclassify       81 uspace/lib/posix/include/libc/math.h int __fpclassify(size_t, ...);
__fpclassify      119 uspace/lib/posix/include/libc/math.h #define fpclassify(x)  __fpclassify(sizeof(x), (x))