strend, C (gcc) - rextester

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#include  <stdio.h>

//namespace std;

//int strcmp(char *s, char *t){ int i=0;while((*s++==*t++)&&(*s!='\0')&&(*t!='\0')) return 0;}
//int strcmp(char *s, char *t){int i; for(i=0;s[i]==t[i];i++)if(s[i]=='\0')return 0; return s[i]-t[i]; }
int strcmp(char *s, char *t){ for(;*s==*t;s++,t++)if(*s=='\0')return 0; return *s - *t; }

void strcat(char *s, char *t)
        {char *p=t;int i=10;
         while(*s!='\0')s++; printf("%d",s-p); i=s;
         while((s[i++] = p[i++])!='\0' );//{*s = *p;s++;}
    
         //for(int i=0;i<strlen(s);i++) printf("%c \n",*s);
        } //printf("%d \n",s);

int strlen(char *s)
 {int i=0;
  while(*s!='\0'){i++;s++;}
  return i;
  
}

int strend(char *s, char *t)
 {
   int ls=strlen(s);
    int lt=strlen(t);
    printf("%d \n",ls);
    printf("%d",lt);
    s=s+ls-lt;printf("%c",*s);
   
    for(;*s==*t;s++,t++)if(*s!='\0')return 1;
    return 0;
    
}

int main()
{
   int *ip,a=3,b[10]={1,2,3,4,5,6};
   char *c=(char *)malloc(30);  
    printf("%x\n", c);
    c[0] = 'f';    
    c[1]='\0';
    puts(c);
    c="sirdecara";
    
    printf("%x\n", c);
  char *s="lbirdecaph";
   // c1 
  // cout<< strcmp(c,c1);
    //printf("%d \n",strcmp(c,c1));
   // strcat(&c,&s);
  
   for(int i=1;i<strlen(c);i++) printf("%c \n",c[i]);
    
    char c1[]="adcdefghtkbjvilugrvlb";
     char c2[]="ghtkbjvirvrlugrvlb";
    
    printf("\n%d ",strend(c1,c2));;
  
   
}

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Compilation time: 0.13 sec, absolute running time: 0.14 sec, cpu time: 0 sec, memory peak: 3 Mb, absolute service time: 0.36 sec