fprintf() in C Last Updated : 28 Oct, 2020 Comments Improve Suggest changes 24 Likes Like Report fprintf is used to print content in file instead of stdout console. int fprintf(FILE *fptr, const char *str, ...); Example: C // C Program for the above approach #include<stdio.h> int main() { int i, n=2; char str[50]; //open file sample.txt in write mode FILE *fptr = fopen("sample.txt", "w"); if (fptr == NULL) { printf("Could not open file"); return 0; } for (i = 0; i < n; i++) { puts("Enter a name"); scanf("%[^\n]%*c", str); fprintf(fptr,"%d.%s\n", i, str); } fclose(fptr); return 0; } Input: GeeksforGeeks GeeksQuiz Output: sample.txt file now having output as 0. GeeksforGeeks 1. GeeksQuiz Create Quiz Comment K kartik Follow 24 Improve K kartik Follow 24 Improve Article Tags : C Language CPP-Library cpp-input-output Explore C BasicsC Language Introduction6 min readIdentifiers in C3 min readKeywords in C2 min readVariables in C4 min readData Types in C3 min readOperators in C8 min readDecision Making in C (if , if..else, Nested if, if-else-if )7 min readLoops in C6 min readFunctions in C5 min readArrays & StringsArrays in C4 min readStrings in C5 min readPointers and StructuresPointers in C7 min readFunction Pointer in C5 min readUnions in C3 min readEnumeration (or enum) in C5 min readStructure Member Alignment, Padding and Data Packing8 min readMemory ManagementMemory Layout of C Programs5 min readDynamic Memory Allocation in C7 min readWhat is Memory Leak? How can we avoid?2 min readFile & Error HandlingFile Handling in C11 min readRead/Write Structure From/to a File in C3 min readError Handling in C8 min readUsing goto for Exception Handling in C4 min readError Handling During File Operations in C5 min readAdvanced ConceptsVariadic Functions in C5 min readSignals in C language5 min readSocket Programming in C8 min read_Generics Keyword in C3 min readMultithreading in C9 min read Like