table of contents
other versions
- wheezy-backports 3.16.39-1+deb8u1~bpo70+1
- jessie 3.16.43-2
| __FFS(9) | Basic C Library Functions | __FFS(9) |
NAME¶
__ffs - find first set bit in wordSYNOPSIS¶
unsigned
long __ffs(unsigned long word);
ARGUMENTS¶
wordThe word to search
DESCRIPTION¶
Undefined if no bit exists, so code should check against 0 first.COPYRIGHT¶
| February 2017 | Kernel Hackers Manual 3.16 |