C语言怎么去掉字符串最后一个字符？ C语言中，如何删除以输出字符串最后一个字符？
c\u8bed\u8a00 \u6211char \u301080\u3011\u4e86\u4e00\u4e2a\u5b57\u7b26\u4e32\u600e\u4e48\u5220\u9664\u6700\u540e\u4e00\u4e2a\u503c\u6025\u6025\u6025\u8fd9\u4e2a\u662f\u975e\u5e38\u65b9\u4fbf\u7684\u3002\u53ea\u8981\u4f60\u660e\u786e\u77e5\u9053char\u6570\u7ec4\u5b58\u653e\u5b57\u7b26\u4e32\u7684\u683c\u5f0f\u5c31\u53ef\u4ee5\u4e86\u3002\u5b83\u662f\u5728\u5b57\u7b26\u4e32\u7684\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\u7684\u4e0b\u4e00\u4e2a\u5b57\u7b26\u5904\uff0c\u5b58\u653e\u4e00\u4e2a\u201c\u4e32\u5c3e\u7b26\u201d\u5373'\0'\u3002\u6240\u4ee5\uff0c\u53ea\u8981\u627e\u5230\u8fd9\u4e2a\u201c\u4e32\u5c3e\u7b26\u201d----'\0'\uff0c\u7136\u540e\u518d\u628a\u5b83\u7684\u524d\u4e00\u4e2a\u5b57\u7b26\uff08\u5373\u539f\u5b57\u7b26\u4e32\u7684\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\uff09\u4fee\u6539\u4e3a'\0'\uff0c\u5c31\u53ef\u4ee5\u5566\uff01#include#includeint main(){ char s[80]="Good morning!",*p;printf("\u539f\u6765\u7684\u5b57\u7b26\u4e32\u662f\uff1a%s\n",s);for(p=s;*p;p++);*(p-1)='\0';printf("\u6539\u77ed\u7684\u5b57\u7b26\u4e32\u662f\uff1a%s\n",s);return 0;}\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u5e93\u51fd\u6570string.h\u6765\u786e\u5b9a\u4e32\u5c3e\u7b26\u7684\u4e0b\u6807\uff0c\u7136\u540e\u628a\u5b83\u7684\u524d\u4e00\u4f4d\u5143\u7d20\u7f6e\u4e3a'\0'\u5c31\u53ef\u4ee5\u4e86\uff0c\u66f4\u4e3a\u65b9\u4fbf\uff1a#include#includeint main(){ char s[80]="Good morning!";printf("\u539f\u6765\u7684\u5b57\u7b26\u4e32\u662f\uff1a%s\n",s);s[strlen(s)-1]='\0';printf("\u6539\u77ed\u7684\u5b57\u7b26\u4e32\u662f\uff1a%s\n",s);return 0;}\u4e24\u4e2a\u7a0b\u5e8f\u8fd0\u884c\u7684\u7ed3\u679c\u90fd\u662f\u4e00\u6837\u7684\uff1a
\u8981\u5149\u6807\u5012\u9000\u4e00\u4e2a\u5b57\u7b26\uff0c\u53ef\u4ee5\u901a\u8fc7\u8f93\u51fa'\b'\u6765\u5b9e\u73b0\u3002
'\b'\u662fC\u8bed\u8a00\u8f6c\u4e49\u5b57\u7b26\uff0c\u529f\u80fd\u4e3a\u5149\u6807\u5411\u5de6\u79fb\u52a8\u4e00\u4f4d\u3002
\u540e\u7eed\u8f93\u51fa\u4f1a\u8986\u76d6\u539f\u672c\u7684\u8f93\u51fa\u3002
\u5982
printf("abc\bdef");
\u4f1a\u8f93\u51faabdef
\u9700\u8981\u6ce8\u610f\uff1a
1 \b\u53ea\u662f\u79fb\u52a8\u5149\u6807\uff0c\u5e76\u6ca1\u6709\u5220\u9664\u529f\u80fd\uff0c\u8981\u5220\u9664\u9700\u8981\u4f9d\u8d56\u4e8e\u540e\u7eed\u8f93\u51fa\u3002\u5982\u679c\u540e\u7eed\u672c\u884c\u6ca1\u6709\u8f93\u51fa\uff0c\u5219\u9700\u8981\u4eba\u4e3a\u52a0\u5165\u7a7a\u767d\u5b57\u7b26\uff0c\u5982\u7a7a\u683c\uff0c\u6765\u8986\u76d6\u539f\u6709\u8f93\u51fa\u3002
2 \b\u53ea\u80fd\u5de6\u79fb\uff0c\u65e0\u6cd5\u5bf9\u4e0a\u4e00\u884c\u8d77\u6548\uff0c\u5373\u53ea\u80fd\u5728\u672c\u884c\u79fb\u52a8\u5149\u6807\u3002
while(*p++) ;
p--;//指针后退一个位置，这时指向了字符串的最后一个非空字符。
if(*p == '\\') *p = 0;
//顺便说一下，字符串中字符 \ 要用转义字符来表示，即 \\
#include <stdio.h>
int main()
{
char a[50] = "asdjflasdfkj\\";
int len = strlen(a);
if (a[len - 1] == '\\') a[len - 1] = '\0';
printf("%s
", a);
return 0;
}
int len;
char a[50]="abcdefgh\\";
len = strlen(a);
if(a[len-1] == '\\')
{
a[len - 1] = '\0';
}
int len = strlen(a);
if(a[len - 1] == '\')
{
a[len - 1] = '\0';
}
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绛旓細include "stdio.h"include "string.h"main(){ char* p ="abcdefg";int len = strlen(p);char* t = &p[len-1];printf("%c\n",*t);}
