AI导航网
微信公众号搜"智元新知"关注
微信扫一扫可直接关注哦！
C语言传递无符号长指针
#include <stdio.h> #include <time.h> void getSeconds(unsigned long *par); int main () { unsigned long sec;
C语言接受一个指针
#include <stdio.h> /* function declaration */ double getAverage(int *arr, int size); int main () {
C语言从函数返回指针
#include <stdio.h> #include <time.h> /* function to generate and return random numbers. */ int * getRandom( ) {
C语言字符串函数
#include <stdio.h> #include <string.h> int main () { char str1[12] = "Hello"; char str2[12] = "World";
C库宏错误号errno
#include <stdio.h> #include <errno.h> #include <string.h> extern int errno ; int main () {
C语言库toupper()函数
#include <stdio.h> #include <ctype.h> int main () { int i = 0; char c; char str[] = "Tutorials Point";
C语言库tolower()函数
#include <stdio.h> #include <ctype.h> int main () { int i = 0; char c; char str[] = "TUTORIALS POINT";
C语言isxdigit()库函数
#include <stdio.h> #include <ctype.h> int main () { char var1[] = "tuts"; char var2[] = "0xE";
C语言isupper()库函数
#include <stdio.h> #include <ctype.h> int main () { int var1 = 'M'; int var2 = 'm';
C语言isspace()库函数
#include <stdio.h> #include <ctype.h> int main () { int var1 = 't'; int var2 = '1';
C语言ispunct()库函数
#include <stdio.h> #include <ctype.h> int main () { int var1 = 't'; int var2 = '1';
C语言库isprint()函数
#include <stdio.h> #include <ctype.h> int main () { int var1 = 'k'; int var2 = '8';
C语言islower()库函数
#include <stdio.h> #include <ctype.h> int main () { int var1 = 'Q'; int var2 = 'q';
C语言isgraph()库函数
#include <stdio.h> #include <ctype.h> int main () { int var1 = '3'; int var2 = 'm';
C语言isdigit()库函数
#include <stdio.h> #include <ctype.h> int main () { int var1 = 'h'; int var2 = '2';
C语言iscntrl()库函数
#include <stdio.h> #include <ctype.h> int main () { int i = 0, j = 0; char str1[] = "all \\a about \\t programming";