一介码农，热爱金融。

干脆把若干方法都贴过来吧~~~ Counting bits set (naive way) unsigned int v; // count the number of bits set in v unsigned int c; // c accumulates the total bits set in v for (c = 0; v; v >>= 1) {   c +=

#include "apue.h" #define PATH "1.db" void sig_alrm(int signo) { printf("signo=%u pid=%u tid=%u \n", (unsigned int )signo, (unsigned int )getpid(), (unsigned int )pthread_self()); return