see declaration of 'strcat'怎么解决#include #includeint main(){char str1[] = "hello";char str2[]="world!";char str3[20];strcat(str1,str2);printf("str3[20]=%s\n",str3);return 0;}代码

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see declaration of 'strcat'怎么解决#include #includeint main(){char str1[] = "hello";char str2[]="world!";char str3[20];strcat(str1,str2);printf("str3[20]=%s\n",str3);return 0;}代码
see declaration of 'strcat'怎么解决
#include
#include
int main()
{
char str1[] = "hello";
char str2[]="world!";
char str3[20];
strcat(str1,str2);
printf("str3[20]=%s\n",str3);
return 0;
}
代码

see declaration of 'strcat'怎么解决#include #includeint main(){char str1[] = "hello";char str2[]="world!";char str3[20];strcat(str1,str2);printf("str3[20]=%s\n",str3);return 0;}代码
#include
#include
int main()
{
char str1[] = "hello";
char str2[]="world!";
char str3[20];
strcpy(str3,str1);
strcat(str3,str2);
printf("str3[20]=%s\n",str3);
return 0;
}

c# see declaration of 'book' see declaration of 'main'怎么翻译呢? declaration of declaration of conformity declaration of incorporation declaration of neutrality是什么意思 declaration of absence是什么意思 declaration of interest是什么意思 C++中的错误提示see declaration of '*******'是什么意思?*部分随定义不同不定 CE Declaration of Conformity 是什么 CE declaration of compliance翻译 Declaration of Compliance什么意思 Presentation of The Declaration Of Rights是什么意思两个错误,都是关于CStudent类的,error C2572:'CStudent::CStudent' :redefinition of default parameter :parameter 1see declaration of 'CStudent::CStudent' 请问:EC declaration of conformity 是什么证书? Who wrote the Declaration of Independence? isee declaration of 'employee'什么意思为什么这个C++程序调试的时候说'main' :'void' function returning a value see declaration of 'main' E程序是#includevoid main(){ cout