As far as I know there are no builtin functions for atoi. You can use regex function set to make sure your string contains at least on digit. Regular expression: [0-9]+ ---- Lev Assinovsky Aelita Software Corporation > -----Original Message----- > From: Deshpande Bansidhar(IFIN DC AI) > [mailto:Bansidhar.Deshpande@xxxxxxxxxxxx] > Sent: Wednesday, January 28, 2004 9:11 AM > To: 'gcc-help@xxxxxxxxxxx' > Subject: atoi() check > > > Hi all > > I have following code. > I want to add error handler for atoi() function. > > E.g. > > char *ch; > int num; > > /*Read ch here*/ > > Num = atoi(ch); > > But before calling atoi I want to make sure that ch is > pointing to numberic > string. > How should I do this. I can manually write some function to > check this. But > is there > Any library function inbuilt to achieve the same ? > > Thanks & regards, > Bansidhar A. Deshpande > Software Engineer > Infineon Technologies India Pvt. Ltd. > Discoverer Building. > I.T.P.L., White Field Road, > Bangalore -560066 > Phone: +91-80-51392011 Extn : 2066 > Fax: +91-80-8410012 > > > *Disclaimer* > This e-mail and any attachments are confidential and may be > subject to legal > or some other professional privilege. They are intended solely for the > attention and use of the named addressee(s). They must not be > disclosed to > any person without authorization. This e-mail and any > attachments are also > subject to copyright. They may only be copied or distributed with the > consent of the copyright owner. If you are not a named > addressee you must > not use, disclose, retain or reproduce all or any part of the > information > contained in this e-mail or any attachments. If you have > received this email > by mistake please notify the sender immediately by return > email and delete > or destroy all copies of the email. Any confidentiality, privilege or > copyright is not waived or lost because this email has been > sent to you by > mistake. > > > > >
