C语言:令已经赋值的一个字符一维数组为空怎么搞？
gh[1].ch[0]='\0'; 即可，所有字符串相关的函数读到\0都会终止。绛旓細gh[1].ch[0]='\0'; 鍗冲彲锛屾墍鏈瀛楃涓鐩稿叧鐨勫嚱鏁拌鍒癨0閮戒細缁堟銆
绛旓細printf("%c%d",A,A);浼氳緭鍑 A锛65銆傚叾瀹65杩欎釜鏁村舰鏁板湪ASCLL鐮侀噷闈㈣〃绀虹殑灏辨槸A锛屽湪C璇█涓紝瀹冧滑鍙槸鏄剧ず鍑烘潵涓嶅悓鑰屽凡銆傛墍浠ヤ綘缁涓涓char鍙橀噺璧嬪1鐨璇濓紝鏍规嵁ASCLL琛紝涔熸湁鐩稿簲鐨勫瓧绗銆傛墍浠ヨ兘杈撳叆銆備絾鏄敞鎰忕殑鏄細ASCLL鍙湁0-255鐨勮寖鍥淬傛墍浠ヤ綘瑕佹槸杈撳叆涓涓笉鍐嶈繖涓寖鍥村唴鐨勬暟瀛楃殑璇濓紝鏄敊璇殑銆
绛旓細鍦C璇█涓紝瀛楃涓茬殑璧嬪间富瑕佹湁涓ょ鏂规硶锛岀涓绉嶆槸閫氳繃鎸囬拡鐨勬柟寮忕洿鎺ヨ祴鍊硷紝绗簩绉嶆槸閫氳繃鏁扮粍鐩存帴璧嬪笺1銆佹寚閽堝紡璧嬪笺傞氳繃绋嬪簭鐨勮繍琛屾儏鍐碉紝鍙互鐭ラ亾锛歝har *p = "hello";杩欑瀛楃涓茬殑璧嬪兼柟寮忔槸瀹屽叏娌℃湁闂鐨勩傝鐞嗚В杩欑璧嬪兼柟寮忥紝棣栧厛寰楃悊瑙ｅ弻寮曞彿锛堢壒鍒敞鎰忥細杩欎釜鏄弻寮曞彿锛屼笉瑕璧嬪肩殑鏃跺欑粰寮勪簡...
绛旓細绗竴绉嶅啓娉曪紝鐢涓涓瀛楃涓璧嬪锛屽疄闄呬笂淇濆瓨浜4涓瓧鑺傦紙鍖呭惈瀛楃涓茬粨鏉熺锛夈傜浜岀鍐欐硶锛屽彧璧嬪间簡涓変釜瀛楄妭銆1銆乧har c[5];c[0]=鈥橦鈥; c[1]=鈥檈鈥; c[2]=鈥檒鈥; c[3]=鈥檒鈥; c[4]=鈥檕鈥;2銆乧harc[5]={鈥楬鈥,鈥檈鈥,鈥檒鈥,鈥檒鈥,鈥檕鈥檥;3銆侊紙1锛夊鏋滃湪瀹氫箟瀛楃鏁扮粍...
绛旓細鍦c璇█閲屾庝箞鎶涓涓鑻辫鍗曡瘝璧嬪缁欎竴涓瓧姣 濡傛妸apple缁檃 搴旇鏄祴鍊煎彉鏁帮紝姣斿璇村皢June杩欎釜鍗曡瘝璧嬬粰鍙樻暟month銆傛楠ゅ涓嬶細 #include <string.h> char month[10]; strcpy(month, "June"); 灏嗙‘瀹氱殑鏁板艰祴缁欏彉鏁扮殑璇彞鍙仛璧嬪艰鍙ャ傚悇绋嬪紡璁捐璇█鏈夎嚜宸辩殑璧嬪艰鍙;璧嬪艰鍙ヤ篃鏈変笉鍚岀殑鍨嬪埆...
绛旓細r鐨勫煎氨鍙樻垚浜24 鑰屽浜庣敤#define r 12 杩欎釜瀹氫箟鐨剅 灏辨槸涓涓甯搁噺锛屽氨鏄笉鑳芥敼鍙樼殑 锛岃繖涓#define 瀹氫箟瀹 甯搁噺 涓鑸斁鍦ㄧ▼搴忕殑寮澶达紝鎵浠ユ鏃剁殑r 涔熸槸涓涓叏灞鐨勫搱锛屼竴鑸敤#define 瀹氫箟鐨勫父閲忛兘鏄 鐢ㄥぇ鍐欑殑鑻辨枃瀛楁瘝銆 濂戒箙娌℃湁鎽歌繃C璇█浜嗭紝鎵浠ヤ笉鏄緢鍑嗙‘锛屻佷絾鏄綘鍙互鍙傝冨弬鑰冿紝甯屾湜瀵逛綘鏈...
绛旓細鍒╃敤strcmp鍑芥暟鐨勮繑鍥炲兼潵鍒ゆ柇銆俿trcmp鍑芥暟鏄瘮杈冧袱涓瓧绗︿覆鐨勫ぇ灏,杩斿洖姣旇緝鐨勭粨鏋溿備竴鑸舰寮忔槸锛氬ご鏂囦欢锛#include <string.h> i=strcmp(瀛楃涓1锛屽瓧绗︿覆2);鍏朵腑锛屽瓧绗︿覆1銆佸瓧绗︿覆2鍧囧彲涓哄瓧绗︿覆甯搁噺鎴栧彉閲忥紱i 鏄敤浜庡瓨鏀炬瘮杈冪粨鏋滅殑鏁村瀷鍙橀噺銆傛瘮杈冪粨鏋滄槸杩欐牱瑙勫畾鐨勶細鈶犲瓧绗︿覆1灏忎簬瀛楃涓2,strcmp...
绛旓細include <stdio.h>int main(void){ char str[300],w[21],i,j,k; printf("Input a string...\nstr="); gets(str); for(j=0;str[j];j++); for(j--;str[j]>'z' || str[j]<'a' && str[j]>'Z' || str[j]<'A';j--); for(i=j;str[i]>='A...
绛旓細1銆佷覆鍙ｅ瓧鑺備负锛歋BUF鏆傚瓨鏁扮粍锛欰[]渚濇灏嗘帴鏀跺埌鐨勫瓧鑺傚瓨鍏[0],A[1],A[2],...A[n],鎺ユ敹瀹屾瘯锛屽瓨鍏ュ瓧绗︿覆缁撴潫鏍囪瘑锛欰[N+1]=0A灏变唬琛涓涓瓧绗涓层傚鏋滄槸涓涓叉暟瀛楋紝瑕佽浆涓烘暣鏁般2銆佷緥绋嬶細include<reg51.h>#define uchar unsigned charuchar A[16],num;void uart() interrupt 4{if(RI) ...
绛旓細include <stdio.h>#include <string.h>int main(){char fuzhi[2000]={0}; int i,j,n; for(i=0;i<3;i++) //鍙互杈撳叆3琛瀛楃涓 {gets(&fuzhi[strlen(fuzhi)]); printf("You input\n%s\n\n",fuzhi); //姣忔杈撳叆鍚庢樉绀烘荤殑鍐呭 } return 0;} ...
