fly1000fans的专栏

Linux内核源码版本：linux-3.9.9

SYNOPSIS #include char *strcat(char *dest, const char *src); char *strncat(char *dest, const char *src, size_t n);

SYNOPSIS #include int printf(const char *format, ...); int fprintf(FILE *stream, const char *format, ...); int sprintf(char *str, const char *format, ...); int snp

目的：打印出函数的调用栈，方便定位问题输入：void back_trace(){ int i =0; void *bt[30]; char **strings; size_t sz; sz = backtrace(bt, 30); printf("sz = %d\n", sz); strings = backtrace_symbols(bt, sz);