getsããã1ãå½æ°ï¼gets
ããã2ã头æ件ï¼stdio.h
ããã3ãåè½ï¼ä»stdinæµä¸è¯»åå符串ï¼ç´è³æ¥åå°æ¢è¡ç¬¦æEOFæ¶åæ¢ï¼å¹¶å°è¯»åçç»æåæ¾å¨stræéææåçå符æ°ç»ä¸ãæ¢è¡ç¬¦ä¸ä½ä¸ºè¯»å串çå
容ï¼è¯»åçæ¢è¡ç¬¦è¢«è½¬æ¢ä¸ºnullå¼ï¼å¹¶ç±æ¤æ¥ç»æå符串ã
ããã4ã注æï¼æ¬å½æ°å¯ä»¥æ é读åï¼ä¸ä¼å¤æä¸éï¼æ以ç¨åºååºè¯¥ç¡®ä¿strç空é´è¶³å¤å¤§ï¼ä»¥ä¾¿å¨æ§è¡è¯»æä½æ¶ä¸åç溢åºã
ããã5ã示ä¾ï¼
ãã#include"stdio.h"
ããvoid main()
ãã{
ããchar str1[5];
ããgets(str1);
ããprintf("%s\n",str1);
ãã}
fgetsããå½æ°å: fgets
ããå è½: ä»æµä¸è¯»åä¸å符串
ããç¨ æ³: char *fgets(char *string, int n, FILE *stream);
ããå½¢å注éï¼*stringç»ææ°æ®çé¦å°åï¼n-1:ä¸æ¬¡è¯»å
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ããåº ä¾:
ãã#include <string.h>
ãã#include <stdio.h>
ããint main(void)
ãã{
ããFILE *stream;
ããchar string[] = "This is a test";
ããchar msg[20];
ãã/* open a file for update */
ããstream = fopen("DUMMY.FIL", "w+");
ãã/* write a string into the file */
ããfwrite(string, strlen(string), 1, stream);
ãã/* seek to the start of the file */
ããfseek(stream, 0, SEEK_SET);
ãã/* read a string from the file */
ããfgets(msg, strlen(string)+1, stream);
ãã/* display the string */
ããprintf("%s", msg);
ããfclose(stream);
ããreturn 0;
ãã}
ããfgetså½æ°ç¨æ¥ä»æ件ä¸è¯»å
¥å符串ãfgetså½æ°çè°ç¨å½¢å¼å¦ä¸ï¼fgetsï¼strï¼nï¼fpï¼ï¼æ¤å¤ï¼fpæ¯æ件æéï¼stræ¯åæ¾å¨å符串çèµ·å§å°åï¼næ¯ä¸ä¸ªintç±»ååéãå½æ°çåè½æ¯ä»fpæææ件ä¸è¯»å
¥n-1个å符æ¾å
¥str为起å§å°åç空é´å
ï¼å¦æå¨æªè¯»æ»¡n-1个å符ä¹æ¶ï¼å·²è¯»å°ä¸ä¸ªæ¢è¡ç¬¦æä¸ä¸ªEOFï¼æ件ç»ææ å¿ï¼ï¼åç»ææ¬æ¬¡è¯»æä½ï¼è¯»å
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¥n-1个å符ã读å
¥ç»æåï¼ç³»ç»å°èªå¨å¨æåå '\0'ï¼å¹¶ä»¥strä½ä¸ºå½æ°å¼è¿åã
putsããå è½: éä¸å符串å°æµä¸
ããç¨ æ³: int puts(char *string);
ããç¨åºä¾:
ãã#include <stdio.h>
ããint main(void)
ãã{
ããchar string[] = "This is an example output string\n";
ããputs(string);
ããreturn 0;
ãã}
ããåå¦è
è¦æ³¨æ以ä¸ä¾å
ãã#include <stdio.h>
ãã#include <conio.h>
ããint main(void)
ãã{
ããint i;
ããchar string[20];
ããfor(i=0;i<10;i++)
ããstring='a';
ããputs(string);
ããgetch();
ããreturn 0;
ãã}
ããä»æ¤ä¾ä¸å¯çå°putsè¾åºå符串æ¶è¦éå°'\0âä¹å°±æ¯å符ç»æ符æåæ¢ãå¦ä¸é¢çç¨åºå ä¸ä¸å¥ string[10]='\0';
ãã#include <stdio.h>
ãã#include <conio.h>
ããint main(void)
ãã{
ããint i;
ããchar string[20];
ããfor(i=0;i<10;i++)
ããstring='a';
ããstring[10]='\0';
ããputs(string);
ããgetch();
ããreturn 0;
ãã}
ããè¿è¡å°±æ£ç¡®äº
ããæ¤ å¤ puts å printf çç¨æ³ä¸æ ·
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