别胡说,直接上代码
# include stdio.h # include string.hvoidmystrcat (chara (,char b[] ) ) { int i,j; //计数a[]个数Ifor(I=0; Istrlen(a; I; //这里很复杂,不要写,直接I=strlen(a )-1 //连接for ) j=0; jStrlen(b; j ) a[i j]=b[j]; a[i j]=' '; (}int main ) ) { char a[100],b[20]; gets(a; gets(b; mystrcat(a,b ); puts(a; }