How to convert a string to a integer in C

Hello, guys, i am having so difficulties with a problem.

Each string has a name of a film followed by a date that corresponds to the release date of the movie

The aim is to create an array of strings of movies that are prior to a certain date..

For example

The Matrix (20xx)
Inception(20xx)
Mission Impossible(20xx)

And the objective is to put in a array of strings all movies prior to 2008

How can i do it? I was thinking using atoi but i don't know how to do it because i just want a part of the string to be converted to int and not the entire string

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1 Answer

Pythonista

Answered on 8th May, 2018

First extract characters from left bracket '(' using strchr() function.

char *name="The Matrix(1999)";
char *ps;
ps=strchr(name,'(');

Then add each character within brackets () to an char array

char y[5]=""; int  p;
for (p=1;p<strlen(ps+1);p++)
{
y[p-1]=ps[p];
}
y[4]='\0';

Lastly convert resultant string to integer using atoi() function

year=atoi(y);
printf("year=%d",year);

You can now apply required filters ti create array of strings of all movies prior to 2008

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How to convert a string to a integer in C

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