user3121023 questions

user3121023 answers

• Why must the file exist when using the 'r+' mode in fopen?
• Generate a random double between -1 and 1
• fwrite writes to the end of the file after seeking to the end
• getchar() and buffer order
• Print n space characters -(f)printf format
• sscanf get the value of the remaining string
• C program output not formatting properly(using \t)
• Replace words in c
• Reading tab separated file using getchar()