GNU/Linux man pages
Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :
GNU/Linux |
CentOS 2.1AS(Slurm) |
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ffs(3) |
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ffs − find first bit set in a word
#include <string.h>
int ffs(int i);
The ffs() function returns the position of the first bit set in the word i. The least significant bit is position 1 and the most significant position 32.
The ffs() function returns the position of the first bit set, or NULL if no bits are set.
BSD 4.3
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ffs(3) | |