Strings

Q1: Which of the following function sets first n characters of a string to a given character?

A strinit()

B strnset()

C strset()

D strcset()

Q2: Which of the following function is used to find the first occurrence of a given string in another string?

A strchr()

B strrchr()

C strstr()

D strnset()

Q3: Which of the following function is more appropriate for reading in a multi-word string?

A printf();

B scanf();

C gets();

D puts();

Q4: If the two strings are identical, then strcmp() function returns

A -1

B 1

C 0

D Yes

Q5: How will you print \n on the screen?

A printf("\n");

B echo "\\n";

C printf('\n');

D printf("\\n");

Q6: The library function used to find the last occurrence of a character in a string is

A strnstr()

B laststr()

C strrchr()

D strstr()

Q7: Which of the following function is correct that finds the length of a string?

A
int xstrlen(char *s)
{
    int length=0;
    while(*s!='\0')
    {    length++; s++; }
    return (length);
}

B
int xstrlen(char s)
{
    int length=0;
    while(*s!='\0')
        length++; s++;
    return (length);
}

C
int xstrlen(char *s)
{
    int length=0;
    while(*s!='\0')
        length++;
    return (length);
}

D
int xstrlen(char *s)
{
    int length=0;
    while(*s!='\0')
        s++;
    return (length);
}


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