Answer Posted / nakul sharma

In Call by value we simply passes the variable to the
function but in CAll by reference we actually pass the
memory address where the variable we want to pass is stored.

write a c program to calculate sum of digits till it reduces to a single digit using recursion

3304

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What is extern keyword in c?

1126

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Why is struct padding needed?

1081

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What are shell structures used for?

1044

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In C programming, what command or code can be used to determine if a number of odd or even?

1049

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Write a C program linear.c that creates a sequence of processes with a given length. By sequence it is meant that each created process has exactly one child. Let's look at some example outputs for the program. Here the entire process sequence consists of process 18181: Sara@dell:~/OSSS$ ./linear 1 Creating process sequence of length 1. 18181 begins the sequence. An example for a sequence of length three: Sara@dell:~/OSSS$ ./linear 3 Creating process sequence of length 3. 18233 begins the sequence. 18234 is child of 18233 18235 is child of 18234 ........ this is coad .... BUt i could not compleate it .....:( #include #include #include #include int main(int argc, char *argv[]) { int N; pid_t pid; int cont; if (argc != 2) { printf("Wrong number of command-line parameters!\n"); return 1; } N = atoi(argv[1]); printf("Creating process sequence of length %d.\n",N); printf("%d begins the sequence.\n",getpid()); /* What I have to do next ?????? */ }

2088

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What is a 'null pointer assignment' error? Explain what are bus errors, memory faults, and core dumps?

1225

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What is a sequential access file?

1166

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What is restrict keyword in c?

1103

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What is the difference between printf and scanf in c?

1349

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design and implement a data structure and performs the following operation with the help of file (included 1000 student marks in 5 sub. and %also) 1.how many students are fail in all 5 subjects (if >35) 2. delete all student data those are fail in all 5 subjects. 3. update the grace marks (5 no. if exam paper is 100 marks) 4. arrange the student data in ascending order basis of marks. 5.insert double of deleted students with marks in the list.

1961

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What is the use of gets and puts?

1026

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What is the difference between Printf(..) and sprint(...) ?

1521

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Who invented bcpl language?

1194

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How can I open files mentioned on the command line, and parse option flags?

1068

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