Character Array

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Character Array

What will be printed as the result of the operation below:

          main() {
              char s1[]="Cisco";
              char s2[]="systems";
              printf("%s",s1);
          }

✍: FYIcenter

Answer: Cisco

2007-02-26, 8842👍, 0💬

Character Array
What will be printed as the result of the operation below: main() { char s1[]="Cisco"; char s2[]="systems"; printf("%s",s1); } Answer: Cisco 2007-02-26, 8843👍, 0💬

String Concatenation
What will be printed as the result of the operation below: main() { char *p1; char *p2; p1=(char *)malloc(25); p2=(char *)malloc(25); strcpy(p1,"Cisco"); strcpy(p2,"systems"); strcat(p1,p2); printf("%s",p1); } Answer: Ciscosystems 2007-02-26, 8104👍, 0💬

Static Variables
The following variable is available in file1.c, who can access it? static int average; Answer: all the functions in the file1.c can access the variable. 2007-02-26, 8008👍, 0💬

Shift Operators
What will be printed as the result of the operation below: main() { int x=5; printf("%d,%d,%d\n",x,x&lt ;<2,x>>2) ;} As x = 5 = 0x0000,0101; so x << 2 -< 0x0001,0100 = 20; x >> 2 -> 0x0000,0001 = 1. Therefore, the answer is 5, 20, 1. 2007-02-26, 7884👍, 0💬

Constants
WHat will be the result of the following code? #define TRUE 0 // some code while (TRUE) { // some code } Answer: This will not go into the loop as TRUE is defined as 0. 2007-02-26, 7684👍, 0💬

Using Pointers
What print out will the folloging code produce? main() { char *p1=“name”; char *p2; p2=(char*)malloc(20); memset (p2, 0, 20); while(*p2++ = *p1++); printf(“%s\n”,p2);> } The pointer p2 value is also increasing with p1 . *p2++ = *p1++ means copy value of *p1 to *p2 , then increment both addresses (p... 2007-02-26, 7632👍, 0💬

Incremental Operatiors
What will be printed as the result of the operation below: main() { int x=10, y=15; x = x++; y = ++y; printf("%d %d\n",x,y); } Answer: 11, 16 2007-02-26, 7600👍, 0💬

Function Calls
What will be printed as the resultof the operation below: int x; int modifyvalue() { return(x+=10); } int changevalue(int x) { return(x+=1); } void main() { int x=10; x++; changevalue(x); x++; modifyvalue(); printf("First output:%d\n",x); x++; changevalue(x); printf("Second output:%d\n",x); modifyva... 2007-02-26, 7562👍, 0💬

Incremental Operatos
What will be printed as the result of the operation below: main() { int x=20,y=35; x=y++ + x++; y= ++y + ++x; printf("%d%d\n",x,y); } Answer : 5794 2007-02-26, 7381👍, 0💬

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