ptr = strrchr(string, c);if(ptr) printf("The character %c is at position: %d\n", c, ptr-string);elseprintf("The character was not found\n");return0; } 函數名: strrev 功能: 串倒轉 用法:char*strrev(char*str); 程序例:#include <string.h>#include <stdio.h>intmain(void) {char*...
(資料夾 C_EX4_do_while / C_EX4_do_whileA內外組成巢狀迴圈) 練習五 if及 if else迴路敘述 ( C_EX5_if_1) ( C_EX5_if_2) ( C_EX5_if_3) ( C_EX5_if_4) ( C_EX5_if_5) CAVR_微處理器_語言程式設計 2 練習六 break 中斷 迴路 ( C_EX6_break ) 練習七 ...
下面程序是一個例子避免殭屍進程。 #include<stdio.h>#include<stdlib.h>#include<unistd.h>intmain(void){if(fork()==0)//啓動一個子進程{printf("the child\n");if(fork()==0)//啓動一個孫子進程{printf("do something you want\n");sleep(5);printf("done\n");exit(0);}else//子進程立刻退...
if (_a cmp _b) { // 表示用例通過, 更新用例通過計數, 並按要求設定列印資訊 haizei_test_info.success += 1; printf("%s\n", (_a) cmp (_b) ? GREEN_HL("True") : RED_HL("False")); } else { // 列印用例出錯處的位置資訊與程式碼資訊, 並列印實際輸出值的資訊進行對比 printf("%s\...
= NULL) *p = '\0'; substr(op, ans, 0, 1); substr(t, ans, 1, (sizeof(ans)-1)); } void do_next_op(char *op1); void do_next_op(char *op1) { char k = *op1; if(!strcmp(k, "+")) result = result + atof(t); else if(!strcmp(k, "-")) result = result - atof...
if(1==flag) { filename[i-1]='i'; filename[i-2]='n'; filename[i-3]='i'; } else { filename[i]='.'; filename[i+1]='i'; filename[i+2]='n'; filename[i+3]='i'; filename[i+4]=''; } for(;filename[i]!='\'&&i>=0;i--)pfilename=&filename[i]; ...
(string1, string2); if (ptr) printf("strpbrk found first character: %c\n", *ptr); else printf("strpbrk didn't find character in set\n"); return 0; } 函數名: strrchr 功 能: 在串中查找指定字符的最後一個出現 用 法: char *strrchr(char *str, char c); 程序例: #include <string...